6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In the following question, select the related number from the given alternatives.

47 : 57 : : 93 : ?

A) 103	B) 122
C) 114	D) 98

Answer & Explanation Answer: A) 103

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

If $a + b + c = 15 a n d \frac{1}{a} + \frac{1}{b} + \frac{1}{c} = \frac{71}{a b c},$ then the $a^{3} + b^{3} + c^{3} - 3 a b c$ is

A) 160	B) 180
C) 200	D) 220

Answer & Explanation Answer: B) 180

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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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
Exam Prep: Bank Exams

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Q:

Find the odd words/letter/number from the given alternatives:

A) January	B) April
C) July	D) May

Answer & Explanation Answer: B) April

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Expand and simplify ${(x + 5)}^{2} + {(x - 3)}^{2}$

A) 2(x2 + 2x - 17)	B) 2(x2 - 2x + 17)
C) 2(x2 - 2x - 17)	D) 2(x2 + 2x + 17)

Answer & Explanation Answer: D) 2(x2 + 2x + 17)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

X and Y are two alloys which are prepared by mixing zinc and aluminium in the ratio of 1 : 4 and 11 : 8 respectively. If equal quantities of alloys are melted to form a third alloy Z then what is the ratio of zinc and aluminium in alloy Z?

A) 32:47	B) 37:58
C) 37:95	D) 74:95

Answer & Explanation Answer: B) 37:58

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

1 1404

Q:

Josna takes 4 hrs 30 min in walking a distance and riding back to some place where she started. She could walk both ways in 5 hrs 40 min. The time taken by her to ride back both ways is

A) 3 hr 20 min	B) 3 hr 35 min
C) 3 hr 45 min	D) 3 hr 15 min

Answer & Explanation Answer: A) 3 hr 20 min

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

In the given series, how many 8s are there that are not divisible by the number to its left but completely divisible by the number to its right.

563248889266588343

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

Quantitative Aptitude - Arithmetic Ability Questions

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