CAT Questions

Q:

A person lifts luggage of 20 kg from the ground and puts it on his head 2 in above the ground. Calculate the work done by him. (g = l0 )

A) 20 J B) 400J
C) 200J D) 40J
 
Answer & Explanation Answer: B) 400J

Explanation:
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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to “No improvement”.


The trade union is hell bent at getting its demands fulfilled

A) hell bent in  B) hell bent about 
C) hell bent on  D) No improvement 
 
Answer & Explanation Answer: C) hell bent on 

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Q:

When an unbalanced force acts on an object

A) causes change in motion of the object B) the speed & direction of the object will change
C) causes the object to move D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Unbalanced forces are the forces which causes change in motion of the object. It sets the object in motion and may cause the object to move. If the object is already in motion, it changes the speed and direction of the object.

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Q:

What is the name of the God of Cricket Sachin Tendulkar's Autobiography?

A) Playing It My Way B) The Nice Guy Who Finished First
C) The Test of My Life D) Straight From The Heart
 
Answer & Explanation Answer: A) Playing It My Way

Explanation:

Playing It My Way is the name of the God of Cricket Sachin Tendulkar's Autobiography.

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

To keep the wolf from the door

A) Avoid starvation B) Crack the dea
C) Entry prohibited D) Have a pleasant tour
 
Answer & Explanation Answer: A) Avoid starvation

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Q:

The energy associated with motion is called

A) Potential energy B) Kinetic energy
C) Both A & B D) Stored energy
 
Answer & Explanation Answer: B) Kinetic energy

Explanation:

Energy can be either potential or kinetic. The energy associated with motion is called Kinetic energy and similarly, the energy associated with position is called Potential energy.

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Q:

1 kW = ?

A) 1000 W B) 10 W
C) 100 W D) 10000 W
 
Answer & Explanation Answer: A) 1000 W

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Q:

The reflector of a search light is a :

A) Convex mirror B) Concave mirror
C) Plane mirror D) Cylindrical mirror
 
Answer & Explanation Answer: B) Concave mirror

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