Common Admission Test (CAT) Questions and Answers with Explanation

Q:

Rupee : Indian :: Yen : ?

A) Pakistan	B) Turkey
C) Japan	D) Bangladesh

Answer & Explanation Answer: C) Japan

Explanation:

The rupee is the currency of India. Similarly, Yen is the currency of Japan.

Hence, Rupee : Indian :: Yen : Japan.

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Filed Under: Analogy
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5 6977

Q:

Which device is called silico sapiens?

A) Computer	B) Robot
C) Moniter	D) Hardware

Answer & Explanation Answer: B) Robot

Explanation:

Silico Sapiens generally refers to robots.

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Filed Under: General Awareness
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14 6976

Q:

If 4 circles of equal radius are drawn with vertices of a square as the centre , the side of the square being 7 cm, find the area of the circles outside the square ?

A) 119.21 sq cm	B) 115.395 sq cm
C) 104.214 sq cm	D) 111.241 sq cm

Answer & Explanation Answer: B) 115.395 sq cm

Explanation:

Because each vertice of the square is the center of a circle
(1/4) part of the total area of each circle inside of the square.
(3/4) part of the total area of each circle outside of the square.
Thus total area outside the square is $4 (\frac{3}{4} \times \frac{22}{7} \times 3.5 \times 3.5)$ = 115.3955 sq cm.

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Filed Under: Area
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3 6968

Q:

Math Challenge

find the number maths puzzle

A) 7	B) 44
C) 4	D) 33

Answer & Explanation Answer: C) 4

Explanation:

Let the required number be 'N'

given that its quarter i.e; N/4 exceeds its double i.e, 2N by 7

=> N/4 + 7 = 2N

=> N + 28 = 8N

7N = 28

N = 4.

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Filed Under: Math Puzzles
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13 6966

Q:

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train?

A) 27 7/9 mts	B) 25 8/7 mts
C) 21 1/4 mts	D) 22 mts

Answer & Explanation Answer: A) 27 7/9 mts

Explanation:

Relative speed = (40 - 20) km/hr =		20 x	5		m/sec =		50		m/sec.
			18				9

Length of faster train =		50	x 5		m =	250	m = 27	7	m.
		9				9		9

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Filed Under: Problems on Trains
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10 6966

Q:

Logical puzzle

Take from a pack of cards all the Aces, Kings, Queens and Jacks.
Arrange them in a 4 × 4 square so that every row, column and diagonal contains one card of each value (A,J,Q,K) and one card of each suit (Heart, Spade, Diamond, Club).

Answer

Our Solution:

Here is one solution of many:

Take_from_a_pack_of_cards_all_the_Aces,_Kings,_Queens_and_Jacks._1585550868.jpg image

Workspace

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Subject: Logic Puzzles Exam Prep: CAT , Bank Exams

35 6965

Q:

The least value of the expression $2 l o g_{10} (x) - l o g_{x} (\frac{1}{100})$ for x>1 is:

A) 2	B) 3
C) 4	D) 5

Answer & Explanation Answer: C) 4

Explanation:

Hence the least value of is 4

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Filed Under: Logarithms
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44 6960

Q:

Which of the following metals forms an amalgam with other metals ?

A) Mercury	B) Zinc
C) Tin	D) Lead

Answer & Explanation Answer: A) Mercury

Explanation:

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Filed Under: General Science
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