Questions

Q:

Consider a planet whose mass and radius are both twice the mass and radius of Earth. The acceleration due to gravity on the surface of the planet is 'n' times that on Earth. The value of n is:

 

A) 4 B) 1
C) 12 D) 2
 
Answer & Explanation Answer: C) 12

Explanation:
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Filed Under: Physics
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Q:

Which of the following is added to iron to make iron hard and strong?

A) Zinc B) Copper
C) Carbon D) Sodium
 
Answer & Explanation Answer: C) Carbon

Explanation:
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Filed Under: Chemistry
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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) Being a rainy day B) we did not feel like going out or doing anything
C) except playing chess in our room. D) No error
 
Answer & Explanation Answer: A) Being a rainy day

Explanation:

The error is in first part. If we start the sentence with being, it means that we were rainy which is incorrect. The sentence indicates that the day was Rainy, and the day will be denoted by ‘It’. So ‘It being a rainy day’ will be the correct idiomatic expression. Otherwise the meaning of the sentence changes.

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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) It B) was raining
C) cats and dogs. D) No error
 
Answer & Explanation Answer: D) No error

Explanation:

The given sentence is grammatically correct and there is no error.

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Q:

The study of individual markets of demand and supply in which the 'players', or the decision makers, were also individuals (buyers or sellers, even companies) who were seen as trying to maximize their profits (as producers or sellers) and their personal satisfaction or welfare levels (as consumers) is called?

A) Macroeconomics B) Econometrics
C) Microeconomics D) Heterodox Economics
 
Answer & Explanation Answer: C) Microeconomics

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Filed Under: Indian Economy
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Q:

The demand curve facing a perfectly competitive firm is

A) downward sloping B) perfectly inelastic
C) a concave curve D) perfectly elastic
 
Answer & Explanation Answer: D) perfectly elastic

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Q:

A manufacturer faces price elasticity of demand of a ­1.25 for its product. If it lowers its price by 6.4%, the increase in quantity sold will be _____.

A) 5.15 percent B) 7.65 percent
C) 8 percent D) 5.12 percent
 
Answer & Explanation Answer: C) 8 percent

Explanation:
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Q:

In the given question, a statement divided into different segments is given. The first segment is fixed, rearrange the other segments to form a coherent statement.

The dissolution of the assembly/ in the state which was (P)/ was followed by a prolonged (Q)/ already marred with political instability (R)/ tug of war for seizing the power (S)

A) RSPQ B) QSRP
C) PSRQ D) PRQS
 
Answer & Explanation Answer: D) PRQS

Explanation:

Clearly, R and S can't follow the first segment. This eliminates option 1.

Option 2: It is incorrect since P ends with was, which can't be used to end the statement.

Option 3: It is incorrect since the statement can't end in 'by a prolonged'.

Option 4: It makes a coherent statement; hence put it on hold.

Option 5: It is incorrect because P ends in 'was' and Q begins with 'was'.

Two 'was' can't be used together. Hence, the correct sequence is PRQS.

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Filed Under: English

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