Questions

Q:

An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:

A) K/2 B) 2K
C) 4K D) K/4
 
Answer & Explanation Answer: C) 4K

Explanation:
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Filed Under: Physics
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Q:

Study the Bar diagram carefully and answer the questions. The Bar diagram shows the trends of foreign direct investment (FDI) into India from all over the World (in Rs. crores).

The ratio of investment in 1997 to the average investment is

A) 2:1 B) 1:2
C) 1:1 D) 3:1
 
Answer & Explanation Answer: A) 2:1

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Q:

Which one of the following statements is not correct?

A) When total utility is maximum, marginal utility is zero B) When total utility is decreasing, marginal utility is negative
C) When total utility is increasing, marginal utility is positive D) When total utility is maximum,marginal and average utility are equal to each other.
 
Answer & Explanation Answer: D) When total utility is maximum,marginal and average utility are equal to each other.

Explanation:

Total utility -It is total psychological satisfaction which a consumer derives from the consumption of a commodity is known as total utility

Marginal utility -It is anaddition made in total utility by consuming and additional unit of a commodity is known as marginal utility.

•When marginal utility is positive,total utility increases

•When marginal utility is zero,total utility is at maximum

•When marginal utility is negative,total utility decreases

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Filed Under: Indian Economy
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Q:

In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.

 


The conditions ______ which democracy can _______ are _______ to ________ ; but one thing is _______ that democracy is always a slow growth, whereas dictators may _____ to ______ and _______ a new _______ with dramatic success, under _______ conditions.

 


and _______ a new

 

A) restart B) establish
C) enter D) define
 
Answer & Explanation Answer: B) establish

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

 

Our sole prayer should be to be blessing with (1)/ a spiritual awakening that is the real (2)/ source of peace, bliss and contentment. (3)/ No error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Sometimes it appears as if they are deliberately (1)/ limiting their chances of survival in order (2)/ to observe some customary or taboo.(3)/ No error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. Ifa  sentence is free from error, select 'No Error'.

Buttressing the confidence in the economy (1)/ are the findings in the survey, which posits (2)/ an improvement in the infrastructure sectors.(3)/ No error. (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Q:

CMOS is a

A) Battery-powered memory chip B) Basic input-output system
C) Storage device D) Cache memory operating system
 
Answer & Explanation Answer: A) Battery-powered memory chip

Explanation:
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Filed Under: Computer
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