Quantitative Aptitude - Arithmetic Ability Questions

Q:

The centroid of a triangle is the point where

A) the medians meet B) the altitudes meet
C) the right bisectors of the sides of the triangle meet D) the bisectors of the angles of the triangle meet
 
Answer & Explanation Answer: A) the medians meet

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Q:

What is the sum of all prime numbers between 60 and 80?

A) 272 B) 284
C) 351 D) 414
 
Answer & Explanation Answer: C) 351

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Q:

The value of 14 ÷ 5 of 2 - 3 x 47 - 2 is

A) 44 B) 40
C) 1/10 D) 14/19
 
Answer & Explanation Answer: B) 40

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Q:

19 x 23 = 437. Then 190 x 0.023 = ?

A) 43.7 B) 4.37
C) 0.0437 D) 0.437
 
Answer & Explanation Answer: B) 4.37

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Q:

Which of the following fractions is largest?

A) 3/4 B) 4/5
C) 5/6 D) 7/8
 
Answer & Explanation Answer: D) 7/8

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Q:

How many spherical balls of radius 1 cm can be made by melting a hemisphere of radius 6 cm?

A) 112 B) 108
C) 116 D) 104
 
Answer & Explanation Answer: B) 108

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Q:

Find the length of a transverse common tangent of the two circles whose radii are 3.5 cm, 4.5 cm and the distance between their centres is 10 cm.

A) 6 cm B) 8 cm
C) 6.4 cm D) 3.6 cm
 
Answer & Explanation Answer: A) 6 cm

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Q:

In ΔPQR measure of angle Q is 90 deg. If tanP = 24/7, and PQ = 14cm, then what is the length (in cm) of side QR?

 

A) 50 B) 20
C) 26 D) 48
 
Answer & Explanation Answer: D) 48

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