Common Admission Test (CAT) Questions and Answers with Explanation

Q:

The weight of an object will be minimum when it is placed at ?

A) The North Pole	B) The South Pole
C) The Equator	D) The center of the Earth

Answer & Explanation Answer: D) The center of the Earth

Explanation:

The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, it experiences gravitational pull from all directions.

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Q:

5F on H means

Answer

The given letter equation 5F on H means that 5 Fingers on a Hand.

Workspace

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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96 44688

Q:

Which of the following is based on the principle of nuclear fusion?

A) Atomic bomb	B) Hydrogen bomb
C) Both Atomic and Hydrogen bomb	D) No option is correct

Answer & Explanation Answer: B) Hydrogen bomb

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

Find the next number in the given number series?

2, 19, 0, 21, –2, ?

A) 23	B) 25
C) 27	D) 29

Answer & Explanation Answer: A) 23

Explanation:

The given number series 2, 19, 0, 21, –2, ? follows a pattern,

2

2 + 17 = 19

19 - 19 = 0

0 + 21 = 21

21 - 23 = -2

-2 + 25 = 23

Hence, the next number in the series is 23.

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Q:

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ?

A) 45 kmph	B) 25 kmph
C) 30 kmph	D) 50 kmph

Answer & Explanation Answer: D) 50 kmph

Explanation:

Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec.
[(25/2) x (18/5)] km/hr = 45 km/hr.
Let the speed of the train be 'S' km/hr.
Then, relative speed = (S - 5) km/hr.
S - 5 = 45 => S = 50 km/hr.

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Q:

A man is facing north-west. He turns $90^{o}$ in the clockwise direction, then $180^{o}$ in the anticlockwise direction and then another $90^{o}$ in the same direction. Which direction is he facing now?

A) South	B) South-west
C) South-east	D) East

Answer & Explanation Answer: C) South-east

Explanation:

As shown in fig. the man initially faces in the direction OP. On moving $90^{0}$ clockwise, he faces in the direction OX. On further moving $180^{0}$ anticlockwise, he faces in the direction OY. Finally, on moving $90^{0}$ anticlockwise, he faces in the direction OZ, which is South-east. new1497431743.jpg image

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Filed Under: Direction Sense Test
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Q:

Select the related word/letters/number from the given alternatives.

RM : XG : : ER : ?

A) PK	B) LK
C) KL	D) PL

Answer & Explanation Answer: C) KL

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams , CAT

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Q:

Find the next number in the given number sequence?

9, 19, 21, 43, 45, ...

A) 88	B) 54
C) 91	D) 49

Answer & Explanation Answer: C) 91

Explanation:

The given number series 9, 19, 21, 43, 45, ... follows a pattern that

ALternately (x 2 + 1) and (x 1 + 2)

9

9 x 2 + 1 = 19

19 x 1 + 2 = 21

21 x 2 + 1 = 43

43 x 1 + 2 = 45

45 x 2 + 1 = 91

Hence, the next number in the given sequence is 91.

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Filed Under: Number Series
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