6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In the following question, select the odd word from the given alternatives.

A) 10 – 121	B) 12 – 169
C) 14 – 225	D) 16 – 279

Answer & Explanation Answer: D) 16 – 279

Explanation:

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Filed Under: Odd Man Out
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Q:

Find two natural numbers whose sum is 85 andtheleast common multiple is 102.

A) 30 & 55	B) 17 & 68
C) 35& 55	D) 51 & 34

Answer & Explanation Answer: D) 51 & 34

Explanation:

Let a + b = 85→b = 85 –a

LCM(a,b) =102→ab = 102

k→a(85 –a) = 102k, where k is a natural number.

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Filed Under: Numbers
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Q:

Simplify : ${(13)}^{2} - {(14)}^{2} + {(17)}^{2} - 250 = \sqrt{?}$

A) 196	B) 169
C) 121	D) 144

Answer & Explanation Answer: D) 144

Explanation:

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Filed Under: Simplification
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Q:

If Cos θ = 35/37 , then what is the value of Cot θ?

A) 12/35	B) 35/12
C) 37/12	D) 12/37

Answer & Explanation Answer: B) 35/12

Explanation:

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Filed Under: Simplification
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Q:

A 8 cm long perpendicular is drawn from the centre of a circle to a 12 cm long chord. The diameter of the circle is

A) 10 cm	B) 12 cm
C) 16 cm	D) 20 cm

Answer & Explanation Answer: D) 20 cm

Explanation:

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Filed Under: Simplification
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Q:

Two numbers are 40% and 50% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 16.67 percent	B) 20 percent
C) 10 percent	D) 25 percent

Answer & Explanation Answer: B) 20 percent

Explanation:

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Filed Under: Percentage
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Q:

In what time will a 100 metre long train running with a speed of 50 km/hr cross a pillar?

A) 7.0 sec	B) 72 sec
C) 7.2 sec	D) 70 sec

Answer & Explanation Answer: C) 7.2 sec

Explanation:

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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Q:

In triangle ABC, a line is drawn from the vertex A to a point D on BC. If BC = 9 cm and DC = 3 cm, then what is the ratio of the areas of triangle ABD and triangle ADC respectively?

A) 1 : 1	B) 2 : 1
C) 3 : 1	D) 4 : 1

Quantitative Aptitude - Arithmetic Ability Questions

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