Common Admission Test (CAT) Questions and Answers with Explanation

Q:

Select the antonym of

outlandish

A) droll	B) kinky
C) common	D) grotesque

Answer & Explanation Answer: C) common

Explanation:

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Q:

Which compound matches the IR Spectrum?

spectr1525848245.jpg image

A) 1, 5 – hexadiene	B) 3 – Hexanol
C) Trans – 4 – octene	D) None of the above

Answer & Explanation Answer: A) 1, 5 – hexadiene

Explanation:

3 – Hexanol:

There is no alcohol stretch present in the spectrum. Therefore, the above structure is not suitable for the given spectrum.

Trans – 4 – octene:

There is no vinyl bending present in the spectrum. Therefore, the above structure is not suitable for the given spectrum.

1, 5 – hexadiene:

The vinyl bending and other stretches were matched with the above structure.

Hence, the c = c stretch, vinyl bending and stretch were matched with the above structure.

Therefore, the given spectrum belongs to 1, 5 – hexadiene.

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19 235424

Q:

Fill in the blanks with suitable prepositions from the given options.

The dog was sitting _______ the table waiting _______ catch the ball that was thrown ________ him _________ his master.

A) below, for, to, by	B) under, for, towards, by
C) up, to, towards, by	D) under, to, towards, by

Answer & Explanation Answer: D) under, to, towards, by

Explanation:

The dog was sitting under the table waiting to catch the ball that was thrown towards him by his master.

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Q:

Select the synonym of

bounder

A) lout	B) mediocre
C) done	D) decorous

Answer & Explanation Answer: A) lout

Explanation:

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Q:

Which of the following reactions are exothermic?

$1) C + O_{2} \to {CO}_{2} 2) 2 Mg + O_{2} \to 2 MgO 3) {CuSO}_{4} + 5 H_{2} O \to {CuSO}_{4} . 5 H_{2} O 4) All the above$

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

Here all the given options are Exothermic reactions. Exothermic reactions are those reactions which involves the release of heat.

Generally all the combining reactions are exothermic in nature.

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15 216781

Q:

Select the antonym of

apocalypse

A) catastrophe	B) miracle
C) decimation	D) holocaust

Answer & Explanation Answer: B) miracle

Explanation:

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Q:

Simplify the following :

$\frac{37^{3} + 35^{3} + 28^{3} - 3 x 37 x 35 x 28}{37^{2} + 35^{2} + 28^{2} - 37 x 35 - 35 x 28 - 37 x 28}$ ?

A) 100	B) 1
C) 4	D) 0

Answer & Explanation Answer: A) 100

Explanation:

Given $\frac{37^{3} + 35^{3} + 28^{3} - 3 x 37 x 35 x 28}{37^{2} + 35^{2} + 28^{2} - 37 x 35 - 35 x 28 - 37 x 28}$

It is in the form of

$\frac{a^{3} + b^{3} + c^{3} - 3 a b c}{a^{2} + b^{2} + c^{2} - a b - b c - c a}$ = a + b + c

Here a = 37, b = 35 & c = 28

=> a + b + c = 37 + 35 + 28 = 100

Therefore, $\frac{(37)^{3}+(35)^{3}+(28)^{3}-3x37x35x28}{(37)^{2}+(35)^{2}+(28)^{2}-37x35-35x28-37x28}$ = 100

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26 212498

Q:

Select the antonym of

ingestion

A) gulp	B) slug
C) excrete	D) chug

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