Quantitative Aptitude - Arithmetic Ability Questions

Q:

The angles of elevation of the top of a temple, from the foot and the top of a building 30 m high, are 60° and 30° respectively. Then height of the temple is

A) 50 m B) 43 m
C) 40 m D) 45 m
 
Answer & Explanation Answer: D) 45 m

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Q:

How many prime numbers are there between the positive integers 60 and 100?

A) 9 B) 6
C) 7 D) 8
 
Answer & Explanation Answer: D) 8

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Q:

Simplify 81x2 - 49y29x + 7y

A) 9x++7y B) 9x-7y
C) 9x D) 7y
 
Answer & Explanation Answer: B) 9x-7y

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Q:

If Tan A = 15/8 and Tan B = 7/24, then Tan (A - B) = ?

A) 304/297 B) 304/425
C) 416/87 D) 87/416
 
Answer & Explanation Answer: A) 304/297

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Q:

A number is greater than twice its reciprocal by 31/4. Find the number.

A) 7 B) 8
C) 9 D) 6
 
Answer & Explanation Answer: A) 7

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Q:

In ΔABC measure of angle B is 90°. If cosecA = 13/12, and AB = 10cm, then what is the length (in cm) of side AC?

A) 24 B) 12
C) 14 D) 26
 
Answer & Explanation Answer: D) 26

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Q:

Which of the following is the correct option for the congruency of the two triangles ABC and PQR as per the SAS congruency criterion?

 

A) AB = PQ B) BC = QR
C) ∡B = ∡Q D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

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Q:

Which of the following is correct?

A) (3x + 4y)(4x -­ 3y) = 12x2 + 7xy ­- 12y2 B) (3x + 4y)(4x -­ 3y) = 12x2  + 251xy -­ 12y2
C) (3x + 4y)(4x -­ 3y) = 12x2 -­ 7xy + 12y2 D) (3x + 4y)(4x -­ 3y) = 12x2 - ­ 251xy + 12y2
 
Answer & Explanation Answer: A) (3x + 4y)(4x -­ 3y) = 12x2 + 7xy ­- 12y2

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