Common Admission Test (CAT) Questions and Answers with Explanation

Q:

Simplify the following expression?

40% of ( $\frac{24}{4} x ?$ ) = 48

A) 24	B) 22
C) 20	D) 18

Answer & Explanation Answer: C) 20

Explanation:

We know that

$40 % = \frac{40}{100} = \frac{2}{5} \Rightarrow \frac{2}{5} x \frac{24}{4} x ? = 48 ? = \frac{48 x 5 x 4}{2 x 24} = 20$

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Filed Under: Simplification
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Q:

Arrange the given words in the sequence in which they occur in the dictionary.

1. Pragmatic
2. Protect
3. Pastel
4. Postal
5. Pebble

A) 43521	B) 35412
C) 34512	D) 43512

Answer & Explanation Answer: B) 35412

Explanation:

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Q:

Find the next number in the number series?

1, 4, 12, 32, ?

A) 80	B) 100
C) 192	D) 169

Answer & Explanation Answer: A) 80

Explanation:

Next number of the sequence 1, 4, 12, 32,...

1 = 2 x $2^{0}$

4 = 2 x $2^{1}$

12 = 3 x $2^{2}$

32 = 4 x $2^{3}$

80 = 5 x $2^{4}$ .

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Q:

Which fraction comes next in the sequence

$\frac{2}{3}, \frac{1}{3}, \frac{5}{27}, \frac{7}{81}, ?$

A) 1/27	B) 11/278
C) 9/48	D) 7/123

Answer & Explanation Answer: A) 1/27

Explanation:

Clearly, the numerators of the fractions in the given sequence follow the series of 2, 3, 5, 7,... and the denominator follows 3, 9, 27, 81, 243, ...
Then, the next term in the given sequence is $\frac{9}{3^{5}} = \frac{9}{243} = \frac{1}{27}$ .

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Filed Under: Number Series
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Q:

1, 2, 8, 33, ?

Find the next number in the given series?

A) 148	B) 145
C) 143	D) 141

Answer & Explanation Answer: A) 148

Explanation:

1 x 1 + 1 x 1 = (1 + 1) = 2

2 x 2 + 2 x 2 = (4 + 4) = 8

8 x 3 + 3 x 3 = (24 + 9) = 33

33 x 4 + 4 x 4 = (132 + 16) = 148

148 x 5 + 5 x 5 = (740 + 25) = 765.

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Q:

Improve the bracketed part of the sentence.

Fans (queue) for the concert tickets since early morning.

A) has queued up	B) have had queued
C) have been queuing up	D) no improvement

Answer & Explanation Answer: C) have been queuing up

Explanation:

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Filed Under: English
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Q:

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday ?

A) 34	B) 36
C) 38	D) 40

Answer & Explanation Answer: A) 34

Explanation:

M + Tu + W + Th = 4 x 48 = 192
Tu + W + Th + F = 4 x 46 = 184
M = 42
Tu + W + Th = 192 - 42 = 150
F = 184 – 150 = 34

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Filed Under: Average
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Q:

Which animal do not make any sound?

Answer

Which_animal_do_not_make_any_sound1541394022.jpg image

Giraffe is the animal that do not make any sound.

Workspace

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