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Nov 03, 2023

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0 of 30 questions completed Questions: About Insta 75 days revision plan 2023 Read about InsightsIAS INSTA 75 Days Revision Plan for UPSC Civil Services Prelims – 2023 [ HERE ] : DOWNLOAD THE INSTA 75

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About Insta 75 days revision plan 2023

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Consider the following statements regarding Defamation

Which of the statements given above is/are correct?

Solution: C

Defamation as the meaning of the word suggests is an injury to the reputation of a person resulting from a statement which is false. A man’s reputation is treated as his property and if any person poses damage to property he is liable under the law, similarly, a person injuring the reputation of a person is also liable under the law. Defamation is defined in section 499 of Indian Penal Code 1860 and section 500 provides that a person committing an offense under this section is liable with simple imprisonment for a term of 2 years or fine or with both.

Defamation is both a criminal (which carries a prison sentence) and a civil offence (punishable through the award of damages) in India. The Indian Penal Code, 1860 (IPC) codifies the criminal law on defamation, whereas defamation is penalised as a civil offence under the law of torts.

Defamation is defined in Section 499, and the punishment is outlined in Section 500. The offence of defamation is defined as any spoken, written, or visual statement about another person designed to damage that person’s reputation. The conduct of any person addressing any public issue or expressing comments on a public performance an example of exceptions to this rule, as well as any imputation of truth required for the public benefit.

Solution: C

Defamation as the meaning of the word suggests is an injury to the reputation of a person resulting from a statement which is false. A man’s reputation is treated as his property and if any person poses damage to property he is liable under the law, similarly, a person injuring the reputation of a person is also liable under the law. Defamation is defined in section 499 of Indian Penal Code 1860 and section 500 provides that a person committing an offense under this section is liable with simple imprisonment for a term of 2 years or fine or with both.

Defamation is both a criminal (which carries a prison sentence) and a civil offence (punishable through the award of damages) in India. The Indian Penal Code, 1860 (IPC) codifies the criminal law on defamation, whereas defamation is penalised as a civil offence under the law of torts.

Defamation is defined in Section 499, and the punishment is outlined in Section 500. The offence of defamation is defined as any spoken, written, or visual statement about another person designed to damage that person’s reputation. The conduct of any person addressing any public issue or expressing comments on a public performance an example of exceptions to this rule, as well as any imputation of truth required for the public benefit.

New Development Bank (NDB) and Contingent Reserve Arrangement (CRA) are the initiatives of

Solution: D

About BRICS:

Solution: D

About BRICS:

National Manufacturing Innovation Survey (NMIS) 2021-22, was released by

Solution: A

The Department of Science and Technology in India has released the “National Manufacturing Innovation Survey (NMIS) 2021-22: Summary for Policymakers” to enhance the competitiveness of Indian manufacturing and increase its share in the GDP.

About NMIS:

Solution: A

The Department of Science and Technology in India has released the “National Manufacturing Innovation Survey (NMIS) 2021-22: Summary for Policymakers” to enhance the competitiveness of Indian manufacturing and increase its share in the GDP.

About NMIS:

Consider the following statements regarding Code on Social Security, 2020

Which of the statements given above is/are correct?

Solution: C

Code on Social Security, 2020 envisages social security benefits for gig and platform workers

For the first time, the definition of “gig worker” and “platform worker” has been provided in the Code on Social Security, 2020. The Code on Social Security, 2020 envisages social security benefits through formulation of schemes for gig and platform workers and can be implemented through Employees’ Provident Fund Organization (EPFO) and Employees’ State Insurance Corporation (ESIC) which hitherto provides social security benefits to organized sector workers. The Code also provides for framing of suitable social security schemes for gig workers and platform workers on matters relating to life and disability cover, accident insurance, health and maternity benefits, old age protection, etc. The Code also provides for setting up a Social Security Fund and one of the sources of fund, is contribution from aggregator between 1 to 2% of annual turnover of an aggregator subject to the limit of 5% of the amount paid or payable by an aggregator to such workers.

Further, the Code envisages that the appropriate Government may set up a toll free call centre or helpline or such facilitation centres, etc., for unorganised workers, gig workers and platform workers, as may be considered necessary from time to time to disseminate information on available social security schemes, facilitate filing, processing and forwarding of application forms for their registration, assist them to obtain registration, and to facilitate their enrolment in the social security schemes.

Solution: C

Code on Social Security, 2020 envisages social security benefits for gig and platform workers

For the first time, the definition of “gig worker” and “platform worker” has been provided in the Code on Social Security, 2020. The Code on Social Security, 2020 envisages social security benefits through formulation of schemes for gig and platform workers and can be implemented through Employees’ Provident Fund Organization (EPFO) and Employees’ State Insurance Corporation (ESIC) which hitherto provides social security benefits to organized sector workers. The Code also provides for framing of suitable social security schemes for gig workers and platform workers on matters relating to life and disability cover, accident insurance, health and maternity benefits, old age protection, etc. The Code also provides for setting up a Social Security Fund and one of the sources of fund, is contribution from aggregator between 1 to 2% of annual turnover of an aggregator subject to the limit of 5% of the amount paid or payable by an aggregator to such workers.

Further, the Code envisages that the appropriate Government may set up a toll free call centre or helpline or such facilitation centres, etc., for unorganised workers, gig workers and platform workers, as may be considered necessary from time to time to disseminate information on available social security schemes, facilitate filing, processing and forwarding of application forms for their registration, assist them to obtain registration, and to facilitate their enrolment in the social security schemes.

Consider the following statements regarding lesser flamingo

Which of the statements given above is/are correct?

Solution: A

About the lesser flamingo:

Solution: A

About the lesser flamingo:

Which of the following countries are part of European Free Trade Association (EFTA)?

Select the correct answer using the code given below:

Solution: D

The European Free Trade Association (EFTA) is a regional trade organization and free trade area consisting of four European states: Iceland, Liechtenstein, Norway and Switzerland. The organization operates in parallel with the European Union (EU), and all four member states participate in the European Single Market and are part of the Schengen Area. They are not, however, party to the European Union Customs Union.

Solution: D

The European Free Trade Association (EFTA) is a regional trade organization and free trade area consisting of four European states: Iceland, Liechtenstein, Norway and Switzerland. The organization operates in parallel with the European Union (EU), and all four member states participate in the European Single Market and are part of the Schengen Area. They are not, however, party to the European Union Customs Union.

Consider the following statements regarding Cantonment Board

Which of the statements given above is/are correct?

Solution: C

Cantonment Board

A cantonment board is established for municipal administration for civilian population in the cantonment area. It is set up under the provisions of the Cantonments Act of 2006–a legislation enacted by the Central government. It works under the administrative control of the defence ministry of the Central government. Thus, unlike the above four types of urban local bodies, which are created and administered by the state government, a cantonment board is created as well as administered by the Central government.

The Cantonments Act of 2006 was enacted to consolidate and amend the law relating to the administration of cantonments with a view to impart greater democratisation, improvement of their financial base to make provisions for developmental activities and for matters connected with them. This Act has repealed the Cantonments Act of 1924.

A cantonment board consists of partly elected and partly nominated members. The elected members hold office for a term of five years while the nominated members (i.e., ex-officio members) continue so long as they hold the office in that station. The military officer commanding the station is the ex-officio president of the board and presides over its meetings. The vice-president of the board is elected by the elected members from amongst themselves for a term of five years.

The executive officer of the cantonment board is appointed by the president of India.

Solution: C

Cantonment Board

A cantonment board is established for municipal administration for civilian population in the cantonment area. It is set up under the provisions of the Cantonments Act of 2006–a legislation enacted by the Central government. It works under the administrative control of the defence ministry of the Central government. Thus, unlike the above four types of urban local bodies, which are created and administered by the state government, a cantonment board is created as well as administered by the Central government.

The Cantonments Act of 2006 was enacted to consolidate and amend the law relating to the administration of cantonments with a view to impart greater democratisation, improvement of their financial base to make provisions for developmental activities and for matters connected with them. This Act has repealed the Cantonments Act of 1924.

A cantonment board consists of partly elected and partly nominated members. The elected members hold office for a term of five years while the nominated members (i.e., ex-officio members) continue so long as they hold the office in that station. The military officer commanding the station is the ex-officio president of the board and presides over its meetings. The vice-president of the board is elected by the elected members from amongst themselves for a term of five years.

The executive officer of the cantonment board is appointed by the president of India.

Which of the following are neurotoxins?

Select the correct answer using the code given below:

Solution: D

What are neurotoxins?

Neurotoxins are poisonous substances which can directly affect the nervous system. They directly attack the respiratory tract of the body, thereby overpowering the oxygen concentration of the body and then the nervous system as well.

What are neurotoxic gases?

Solution: D

What are neurotoxins?

Neurotoxins are poisonous substances which can directly affect the nervous system. They directly attack the respiratory tract of the body, thereby overpowering the oxygen concentration of the body and then the nervous system as well.

What are neurotoxic gases?

Consider the following statements regarding Sexual Harassment of Women at Workplace (Prevention, Prohibition and Redressal) Act 2013

Which of the statements given above are correct?

Solution: C

What exactly is the law against sexual harassment of women at the workplace?

The Sexual Harassment of Women at Workplace (Prevention, Prohibition and Redressal) Act, commonly known as the PoSH Act, was passed in 2013. It defined sexual harassment, lay down the procedures for complaint and inquiry, and the action to be taken in cases of sexual harassment.

How did the PoSH Act come about?

The 2013 law broadened and gave legislative backing to what are known as the Vishaka Guidelines, which were laid down by the Supreme Court in a judgment passed in 1997.

The case in question was filed by women’s rights groups, including one called Vishaka, over the alleged gangrape of a social worker from Rajasthan named Bhanwari Devi. Bhanwari had fought against the marriage of a one-year-old baby girl in 1992, and had been allegedly gangraped as retribution.

The Vishaka Guidelines defined sexual harassment and imposed three key obligations on institutions — prohibition, prevention, redress. The Supreme Court directed that they should establish a Complaints Committee, which would look into matters of sexual harassment of women at the workplace. The court made the guidelines legally binding.

And what does the PoSH Act say about the complaints committee?

The PoSH Act subsequently mandated that every employer must constitute an Internal Complaints Committee (ICC) at each office or branch that had 10 or more employees. It defined various aspects of sexual harassment, and lay down procedures for action in case of a complaint.

The aggrieved victim under the Act can be a woman “of any age whether employed [at the workplace] or not”, who “alleges to have been subjected to any act of sexual harassment”. In effect, the Act protects the rights of all women who are working or visiting any workplace, in any capacity.

What is the procedure for complaint under the Act?

It is not compulsory for the aggrieved victim to file a complaint for the ICC to take action. The Act says that she “may” do so — and if she cannot, any member of the ICC “shall” render “all reasonable assistance” to her to complain in writing.

If the woman cannot complain because of “physical or mental incapacity or death or otherwise”, her legal heir may do so.

Solution: C

What exactly is the law against sexual harassment of women at the workplace?

The Sexual Harassment of Women at Workplace (Prevention, Prohibition and Redressal) Act, commonly known as the PoSH Act, was passed in 2013. It defined sexual harassment, lay down the procedures for complaint and inquiry, and the action to be taken in cases of sexual harassment.

How did the PoSH Act come about?

The 2013 law broadened and gave legislative backing to what are known as the Vishaka Guidelines, which were laid down by the Supreme Court in a judgment passed in 1997.

The case in question was filed by women’s rights groups, including one called Vishaka, over the alleged gangrape of a social worker from Rajasthan named Bhanwari Devi. Bhanwari had fought against the marriage of a one-year-old baby girl in 1992, and had been allegedly gangraped as retribution.

The Vishaka Guidelines defined sexual harassment and imposed three key obligations on institutions — prohibition, prevention, redress. The Supreme Court directed that they should establish a Complaints Committee, which would look into matters of sexual harassment of women at the workplace. The court made the guidelines legally binding.

And what does the PoSH Act say about the complaints committee?

The PoSH Act subsequently mandated that every employer must constitute an Internal Complaints Committee (ICC) at each office or branch that had 10 or more employees. It defined various aspects of sexual harassment, and lay down procedures for action in case of a complaint.

The aggrieved victim under the Act can be a woman “of any age whether employed [at the workplace] or not”, who “alleges to have been subjected to any act of sexual harassment”. In effect, the Act protects the rights of all women who are working or visiting any workplace, in any capacity.

What is the procedure for complaint under the Act?

It is not compulsory for the aggrieved victim to file a complaint for the ICC to take action. The Act says that she “may” do so — and if she cannot, any member of the ICC “shall” render “all reasonable assistance” to her to complain in writing.

If the woman cannot complain because of “physical or mental incapacity or death or otherwise”, her legal heir may do so.

Consider the following statements regarding debt-for-climate swaps

Which of the statements given above is/are correct?

Solution: A

debt-for-climate swaps has grown relatively popular among low- and middle-income countries.

Multilateral development banks and multilateral organisations such as the United Nations Development Programme (UNDP) have also been advocating this instrument as a debt-relief measure.

According to an article by officials with the International Monetary Fund (IMF), debt-for-climate and debt-for-nature swaps seek to free up fiscal resources so that governments can improve resilience without triggering a fiscal crisis or sacrificing spending on other development priorities.

The concept is not new. Debt-for-nature swap first appears to have been used in the 1980s in Latin America, where the countries aimed to reduce unsustainable external debts and address worsening environmental conditions.

The concept of debt-for-climate swap was also envisioned around the same time by then deputy vice-president of Worldwide Fund for Nature, a conservation group.

It was introduced as a debt restructuring device that aims to combat climate change by ensuring that debt-ridden countries do not incur additional debt while addressing climate change locally.

Solution: A

debt-for-climate swaps has grown relatively popular among low- and middle-income countries.

Multilateral development banks and multilateral organisations such as the United Nations Development Programme (UNDP) have also been advocating this instrument as a debt-relief measure.

According to an article by officials with the International Monetary Fund (IMF), debt-for-climate and debt-for-nature swaps seek to free up fiscal resources so that governments can improve resilience without triggering a fiscal crisis or sacrificing spending on other development priorities.

The concept is not new. Debt-for-nature swap first appears to have been used in the 1980s in Latin America, where the countries aimed to reduce unsustainable external debts and address worsening environmental conditions.

The concept of debt-for-climate swap was also envisioned around the same time by then deputy vice-president of Worldwide Fund for Nature, a conservation group.

It was introduced as a debt restructuring device that aims to combat climate change by ensuring that debt-ridden countries do not incur additional debt while addressing climate change locally.

Which of the following are the impact of El Niño?

Which of the statements given above is/are correct?

Solution: A

According to the World Meteorological Organisation (WMO), the world should prepare for the development of El Niño, which is often associated with increased heat, drought or rainfall in different parts of the world.

Background:

The typical impacts of El Niño include:

Solution: A

According to the World Meteorological Organisation (WMO), the world should prepare for the development of El Niño, which is often associated with increased heat, drought or rainfall in different parts of the world.

Background:

The typical impacts of El Niño include:

Which of the following regions are coal mines?

Select the correct answer using the code given below:

Solution: D

Distribution of Coal in India

Solution: D

Distribution of Coal in India

Vaishakh Buddha Purnima is the most sacred day of the year for Buddhists all over the world as it marks the main events of Lord Buddha’s life, which are?

Which of the statements given above is/are correct?

Solution: D

Vaishakh Buddha Purnima (also known as Vesak or Buddha Jayanti):

Solution: D

Vaishakh Buddha Purnima (also known as Vesak or Buddha Jayanti):

Which of the following are consequences of President’s rule?

Which of the statements given above is/are correct?

Solution: D

President’s rule

Parliamentary Approval and Duration

A proclamation imposing President’s Rule must be approved by both the Houses of Parliament within two months from the date of its issue.

Consequences of President’s Rule

The President acquires the following extraordinary powers when the President’s Rule is imposed in a state:

Solution: D

President’s rule

Parliamentary Approval and Duration

A proclamation imposing President’s Rule must be approved by both the Houses of Parliament within two months from the date of its issue.

Consequences of President’s Rule

The President acquires the following extraordinary powers when the President’s Rule is imposed in a state:

Consider the following statements regarding naming of Cyclones

Which of the statements given above is/are correct?

Solution: C

How are cyclones named?

WMO/ESCAP (World Meteorological Organisation/United Nations Economic and Social Commission for Asia and the Pacific):

Solution: C

How are cyclones named?

WMO/ESCAP (World Meteorological Organisation/United Nations Economic and Social Commission for Asia and the Pacific):

Consider the following statements regarding Jaina Architecture

Which of the statements given above is/are correct?

Solution: D

Jaina Architecture

Solution: D

Jaina Architecture

Consider the following statements regarding Ahom Revolt

Which of the statements given above is/are correct?

Solution: C

Ahom Revolt (1828)

The British had pledged to withdraw from Assam after the First Burma War (1824-26). But, after the war, instead of withdrawing, the British attempted to incorporate the Ahoms’ territories in the Company’s dominion.

This sparked off a rebellion in 1828 under the leadership of Gomdhar Konwar, an Ahom prince, alongwith compatriots, such as Dhanjoy Bongohain, and Jairam Khargharia Phukan. Assembling near Jorhat, the rebels formally made Gomdhar Konwar the king.

Finally, the Company decided to follow a conciliatory policy and handed over Upper Assam to Maharaja Purandar Singh Narendra and part of the kingdom was restored to the Assamese king

Solution: C

Ahom Revolt (1828)

The British had pledged to withdraw from Assam after the First Burma War (1824-26). But, after the war, instead of withdrawing, the British attempted to incorporate the Ahoms’ territories in the Company’s dominion.

This sparked off a rebellion in 1828 under the leadership of Gomdhar Konwar, an Ahom prince, alongwith compatriots, such as Dhanjoy Bongohain, and Jairam Khargharia Phukan. Assembling near Jorhat, the rebels formally made Gomdhar Konwar the king.

Finally, the Company decided to follow a conciliatory policy and handed over Upper Assam to Maharaja Purandar Singh Narendra and part of the kingdom was restored to the Assamese king

Consider the following statements regarding Indian Association of Calcutta

Which of the statements given above is/are not correct?

Solution: A

The Indian Association of Calcutta (also known as the Indian National Association) superseded the Indian League and was founded in 1876 by younger nationalists of Bengal led by Surendranath Banerjea and Ananda Mohan Bose, who were getting discontented with the conservative and pro-landlord policies of the British Indian Association. The Indian Association was the most important of pre-Congress associations and aimed to “promote by every legitimate means the political, intellectual and material advancement of the people.” It set out to—

(i) create a strong public opinion on political questions, and

(ii) unify Indian people in a common political programme.

It protested against the reduction of age limit in 1877 for candidates of the Indian Civil Service examination. The association demanded simultaneous holding of civil service examination in England and India and Indianisation of higher administrative posts. It led a campaign against the repressive arms act and the vernacular press act.

Solution: A

The Indian Association of Calcutta (also known as the Indian National Association) superseded the Indian League and was founded in 1876 by younger nationalists of Bengal led by Surendranath Banerjea and Ananda Mohan Bose, who were getting discontented with the conservative and pro-landlord policies of the British Indian Association. The Indian Association was the most important of pre-Congress associations and aimed to “promote by every legitimate means the political, intellectual and material advancement of the people.” It set out to—

(i) create a strong public opinion on political questions, and

(ii) unify Indian people in a common political programme.

It protested against the reduction of age limit in 1877 for candidates of the Indian Civil Service examination. The association demanded simultaneous holding of civil service examination in England and India and Indianisation of higher administrative posts. It led a campaign against the repressive arms act and the vernacular press act.

Consider the following statements regarding Point of Order

Which of the statements given above is/are correct?

Solution: D

Solution: D

Consider the following statements regarding Mahatma Ayyankali

Which of the statements given above is/are correct?

Solution: C

Solution: C

Consider the following statements regarding Secret Societies

Which of the statements given above are correct?

Solution: A

Solution: A

Consider the following statements regarding Macaulay’s Minute

Which of the statements given above is/are correct?

Solution: C

Macaulay’s Minute on Education

Submitted by Thomas Babington Macaulay in his capacity as president of the Committee on Public Instruction on February 2, 1835, it was to form the basis of the Company’s educational policy in India. It marked the victory of the so-called ‘Anglicists’ as well as ‘progressive’ Indians, who supported the introduction and popularization of English education over the opposing school of thought represented by the ‘Orientalists’ who preferred to encourage the pursuit of traditional learning.

On the basis of ‘Macaulay’s Minute’, Bentinck ruled that all the funds appropriated for the purpose of education would be best employed on English education alone. Consequently, a resolution based on Macaulay’s Minute and accepted by William Bentinck’s government on March 7, 1835 proclaimed English as India’s official language.

Solution: C

Macaulay’s Minute on Education

Submitted by Thomas Babington Macaulay in his capacity as president of the Committee on Public Instruction on February 2, 1835, it was to form the basis of the Company’s educational policy in India. It marked the victory of the so-called ‘Anglicists’ as well as ‘progressive’ Indians, who supported the introduction and popularization of English education over the opposing school of thought represented by the ‘Orientalists’ who preferred to encourage the pursuit of traditional learning.

On the basis of ‘Macaulay’s Minute’, Bentinck ruled that all the funds appropriated for the purpose of education would be best employed on English education alone. Consequently, a resolution based on Macaulay’s Minute and accepted by William Bentinck’s government on March 7, 1835 proclaimed English as India’s official language.

Consider the following statements regarding newspapers and journals

Which of the statements given above is/are correct?

Solution: D

Solution: D

Which of the following events took place during Civil Disobedience Movement?

Which of the statements given above are correct?

Solution: B

Civil Disobedience Movement

M.K. Gandhi formally launched the Civil Disobedience Movement on April 6, 1930 by picking a handful of salt after the completion of historic ‘Dandi March’ from Sabarmati Ashram to Dandi, thus breaking the salt law imposed by the Government. He was the major force behind the movement and inspired grass-root participation in the freedom struggle.

Sarojini Naidu, the first Indian woman to become the president of the Congress, was involved in a march towards the Dharsana Salt Works, a government salt depot. Other leaders who participated in this total nonviolent affair were Imam Saheb, Gandhi’s comrade of the South African struggle, and Manilal, Gandhi’s son.

Solution: B

Civil Disobedience Movement

M.K. Gandhi formally launched the Civil Disobedience Movement on April 6, 1930 by picking a handful of salt after the completion of historic ‘Dandi March’ from Sabarmati Ashram to Dandi, thus breaking the salt law imposed by the Government. He was the major force behind the movement and inspired grass-root participation in the freedom struggle.

Sarojini Naidu, the first Indian woman to become the president of the Congress, was involved in a march towards the Dharsana Salt Works, a government salt depot. Other leaders who participated in this total nonviolent affair were Imam Saheb, Gandhi’s comrade of the South African struggle, and Manilal, Gandhi’s son.

Arrange the following physical features of South America from north to south.

Select the correct answer using the code given below:

Solution: D

Solution: D

What is the probability of getting a sum 9 from two throws of a dice?

Answer: Option C) 1/9

Explanation:

In two throws of a dice, n(S) = (6 x 6) = 36.

Let E = event of getting a sum ={(3, 6), (4, 5), (5, 4), (6, 3)}.

P(E) = n(E) / n(S) = 4 / 36 = 1/ 9 .

Answer: Option C) 1/9

Explanation:

In two throws of a dice, n(S) = (6 x 6) = 36.

Let E = event of getting a sum ={(3, 6), (4, 5), (5, 4), (6, 3)}.

P(E) = n(E) / n(S) = 4 / 36 = 1/ 9 .

A and B can do a piece of work in 6 days, while C and D can do the same work in 12 days. In how many days will A, B, C and D do it together?

Sol : Option B) 4 days

Explanation:

A, B, C and D will together take 1/6+ 1/12

= 3/12 = 1/4

⇒ 4 days to complete the work.

Sol : Option B) 4 days

Explanation:

A, B, C and D will together take 1/6+ 1/12

= 3/12 = 1/4

⇒ 4 days to complete the work.

Rohan travels 20% distance of the total journey by car and 50% of the remaining by train and taxi in the respective ratio of 5:3 and the remaining distance he covers on feet. If the sum of the distance which he travels by car and by Taxi is 126 km, then find the total distance which Rohan travels during his journey?

Correct Option: A) 360km

Let total distance = 100x

Distance covered by car = 20% of 100x = 20x

Distance covered by Train = (5/5 + 3)× 50% of (100x – 20x) = (5/8)*40 x = 25x

Distance covered by Taxi = (3/5 + 3)× 50% of (100x – 20x) = (3/8) *40 x = 15x

Distance covered on feet = 100x – 20x – 25x – 15x = 40x

Total distance covered by Car and Taxi = 20x + 15x = 35x = 126 km (Given)

Length of journey = 100 × (126/35) = 360 km

Hence, option (A) is correct.

Correct Option: A) 360km

Let total distance = 100x

Distance covered by car = 20% of 100x = 20x

Distance covered by Train = (5/5 + 3)× 50% of (100x – 20x) = (5/8)*40 x = 25x

Distance covered by Taxi = (3/5 + 3)× 50% of (100x – 20x) = (3/8) *40 x = 15x

Distance covered on feet = 100x – 20x – 25x – 15x = 40x

Total distance covered by Car and Taxi = 20x + 15x = 35x = 126 km (Given)

Length of journey = 100 × (126/35) = 360 km

Hence, option (A) is correct.

20 persons shake hands with one another in a party. How many shake hands took place?

Correct Option: B) 190

Total possible ways = 20C2

= 20 × 19/ 2 × 1

= 190

Hence, option B is correct.

Correct Option: B) 190

Total possible ways = 20C2

= 20 × 19/ 2 × 1

= 190

Hence, option B is correct.

A train 105 m long passes a person, running at 2 kmph in the direction opposite to that of the train, in 2 seconds. The speed of the train is:

Correct Option: C) 187kmph

Speed of the train relative to person

= (105/2 ) m/sec ⇒ (105/2 × 18/5) = 189 km/hr.

Let speed of the train be x kmph.

then, relative speed ⇒ (x + 2) = 189

⇒ x = 187 kmph.

Hence, option C is correct.

Correct Option: C) 187kmph

Speed of the train relative to person

= (105/2 ) m/sec ⇒ (105/2 × 18/5) = 189 km/hr.

Let speed of the train be x kmph.

then, relative speed ⇒ (x + 2) = 189

⇒ x = 187 kmph.

Hence, option C is correct.

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