6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If cosec θ + sinθ = 5/2 then the value of cosecθ - sinθ is

A) -3/2	B) 3/2
C) −√3/2	D) √3/2

Answer & Explanation Answer: B) 3/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If $a^{3} + b^{3} = 28$ and a + b = 4, then what is the value of ab?

A) -3	B) 2
C) 8	D) 3

Answer & Explanation Answer: D) 3

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Q:

If P : Q : R = 2 : 3 : 5, then what is the value of (P + Q) : (Q + R) : (R + P)?

A) 5:8:7	B) 2:3:5
C) 5:8:10	D) 4:9:25

Answer & Explanation Answer: A) 5:8:7

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

First four multiples of 9?

Answer

A multiple of a number is the number multiplied by an integer.

The first four multiples of 9 are given by multiying the first 4 integers with number 9.

That is,

9 x 1 = 9

9 x 2 = 18

9 x 3 = 27

9 x 4 = 36

Hence, first four multiples of 9 are 9, 18, 27, 36.

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Subject: Numbers Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Kamal has some apples. He sold 40% more than he ate. If he sold 70 apples, how many did he eat?

A) 18	B) 42
C) 50	D) 90

Answer & Explanation Answer: C) 50

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If $x^{2} + x = 19$ , then what is the value of ${(x + 5)}^{2} + [1 / {(x + 5)}^{2}]$ ?

A) 77	B) 79
C) 81	D) 83

Answer & Explanation Answer: B) 79

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Q:

If the product of two numbers is 4941 and their LCM is 81, then their HCF is :

A) 60	B) 59
C) 35	D) 61

Answer & Explanation Answer: D) 61

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Filed Under: HCF and LCM
Exam Prep: CAT , Bank Exams

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Q:

P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

A) 9 days	B) 27 days
C) 36 days	D) 18 days

Quantitative Aptitude - Arithmetic Ability Questions

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