Common Admission Test (CAT) Questions and Answers with Explanation

Q:

What has holes but holds water?

Answer

A sponge has many holes but it absorbs water and can hold them in it.

Workspace

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Subject: Word Puzzles Exam Prep: CAT , Bank Exams , AIEEE
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Q:

LCM of two co-prime numbers a and b is (a is greater than b):

A) a	B) a+b
C) ab	D) b

Answer & Explanation Answer: C) ab

Explanation:

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Filed Under: HCF and LCM
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Q:

Who has become the first-ever captain to win 100 matches in IPL history?

A) Rohit Sharma	B) Ajinkya Rahane
C) MS Dhoni	D) Dinesh Karthik

Answer & Explanation Answer: C) MS Dhoni

Explanation:

MS Dhoni, the skipper of CSK - Chennai Super Kings team in IPL Indian Premier League has become the first-ever captain to win 100 matches in IPL history.

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Filed Under: Sports
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Q:

The goal of a command economy is to

A) create equality within a society	B) mixed-market
C) Both A & B	D) None of the above

Answer & Explanation Answer: A) create equality within a society

Explanation:

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Filed Under: Indian Economy
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Q:

An enzyme speeds up a reaction by

A) raising the activation energy	B) absorbing energy
C) lowering the activation energy	D) None of the above

Answer & Explanation Answer: C) lowering the activation energy

Explanation:

An enzyme speeds up a reaction by lowering the activation energy which is done by catalysts to increase the rate.

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Filed Under: General Science
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Q:

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

$I . 5 x^{2} + 28 x = - 15 II . 3 y^{2} + 11 y + 6 = 0$

A) X > Y	B) X ≥ Y
C) X < Y	D) X ≤ Y

Answer & Explanation Answer:

Explanation:

5x^2+ 28x = -15x = (-3/5, -5)

II. 3y^2+ 11y + 6 = 0y = (-3, -2/3)

So Relationship cannot be established

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Filed Under: Simplification
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Q:

Which gas in the atmosphere is essential for respiration?

A) Argon	B) Carbon dioxide
C) Oxygen	D) Nitrogen

Answer & Explanation Answer: C) Oxygen

Explanation:

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

Hence, Oxygen is essential for respiration process.

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Filed Under: General Science
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

The punishment of being kept in school after hours.

A) Pretension	B) Isolate
C) Detention	D) Blender

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