Quantitative Aptitude - Arithmetic Ability Questions

Q:

If three numbers are in the ratio 2 : 3 : 5 and the twice their sum is 100. Find the square of the largest of the three numbers.

A) 225 B) 625
C) 25 D) 100
 
Answer & Explanation Answer: B) 625

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

If 13x2 = 172 - 92, find the value of x?

A) 16 B) 12
C) 8 D) 4
 
Answer & Explanation Answer: D) 4

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Filed Under: Simplification
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Q:

The value of ds+t÷ds÷dt

A) 0 B) d
C) 1 D) ds+t
 
Answer & Explanation Answer: C) 1

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Q:

If cosπ/4c - tanπ/4c = x, then x is

A) (√3+4)/2√3 B) (2√2-1)/2
C) (1-√2)/√2 D) 5/√3
 
Answer & Explanation Answer: C) (1-√2)/√2

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Q:

What is the value of sin 5π/3?

A) √3/2 B) 2/√3
C) 1/√3 D) -2/√3
 
Answer & Explanation Answer: A) √3/2

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Q:

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is

A) 14/83 B) 83/14
C) 90/83 D) 83/90
 
Answer & Explanation Answer: A) 14/83

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Filed Under: Problems on Numbers
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Q:

If 1-aa3+9 = 19 - a1-a3, then what is the value of a?

A) 3/10, 7/10 B) 1/10, 9/10
C) 2/5, 3/5 D) 1/5, 4/5
 
Answer & Explanation Answer: B) 1/10, 9/10

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

A cone is hollowed out of a solid wooden cube of side 7 cm. The diameter and height of the cone is same as the side of the cube. What is the volume of the remaining cube?

A) 253.17 cubic cms B) 228.84 cubic cms
C) 143.26 cubic cms D) 257.68 cubic cms
 
Answer & Explanation Answer: A) 253.17 cubic cms

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