CAT Questions

Q:

Which statement best defines a communist government?

A) A communist government is an autocracy. B) A communist government is led by one political party.
C) A communist government gives power to the party leader. D) A communist government allows for limited voting.
 
Answer & Explanation Answer: B) A communist government is led by one political party.

Explanation:

The statement "A communist government is led by one political party" is what best defiines a communist government. Here in this type of government, the power is in the hands of the one political party and it only controls the political and economic systems of the country/state.

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Filed Under: Indian Politics
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Q:

Which of the following is a hydrocarbon?

A) C2H6 B) C3H8
C) CH4 D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The simplest organic compounds contain only the elements carbon and hydrogen, and are called hydrocarbons.

Here all the given options are hydrocarbons.

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Filed Under: Chemistry
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Q:

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 = ?

A) 0 B) 2
C) 12 D) 10
 
Answer & Explanation Answer: C) 12

Explanation:

Given 

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1

Using BODMAS Rule,

As multiplication precedes addition, 1 x 0 = 0, 

Now, 10 + 0 + 1 + 1 = 10 + 2 = 12.

 

Hence, 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 = 12.

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Filed Under: Problems on Numbers
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Q:

Peacock was declared National Bird of India in which year?

A) 1963 B) 1960
C) 1953 D) 1950
 
Answer & Explanation Answer: A) 1963

Explanation:

In 1963, the peacock was declared theNational Bird of India because of its rich religious and legendary involvement in Indian traditions.

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Filed Under: Indian History
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Q:

The persistence of learning over time most clearly depends on

A) memory B) visual encoding
C) chunking D) shallow processing
 
Answer & Explanation Answer: A) memory

Explanation:
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Filed Under: Computer
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Q:

Eugenics is the study of

A) impair the racial qualities of future generations either physically or mentally B) different races of mankind
C) genetic of plants D) people of European origin
 
Answer & Explanation Answer: A) impair the racial qualities of future generations either physically or mentally

Explanation:

Eugenics is the study of altering human beings by changing their genetic components.

 

It is the study of the agencies under social control that may improve or impair the racial qualities of future generations either physically or mentally.

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Filed Under: General Science
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Q:

Light travels fastest in

A) Air B) Water
C) Glass D) Diamond
 
Answer & Explanation Answer: A) Air

Explanation:

Light travels fastest in Vacuum. The fastest thing in the whole universe is the speed of light in a vacuum like outer space. It is about 2.99 x 108 m/s. 

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Filed Under: Physics
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Q:

What does microprocessor speed of a computer depends on?

A) bandwidth B) clock speed
C) number of instructions D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The computers microprocessor speed depends on all the factors like clock speed, bandwidth and the number of instructions it processes.

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