6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find the volume (in cm³) of a cube of side 4.5 cm.

A) 55.467	B) 14.445
C) 91.125	D) 26.465

Answer & Explanation Answer: C) 91.125

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

2 46967

Q:

ΔXYZ is right angled at Y. If m∠X = 45°, then find the value of (cosecZ + √3/2).

A) (2√2+√3)/2	B) 5/6
C) (1+2√3)/2	D) (√2+1)/√2

Answer & Explanation Answer: A) (2√2+√3)/2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 46947

Q:

A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?

A) 10	B) 20
C) 21	D) 25

Answer & Explanation Answer: C) 21

Explanation:

Suppose the can initially contains 7x and 5x litres of mixtures A and B respectively

Quantity of A in mixture left = $(7 x - \frac{7}{12} \times 9) = (7 x - \frac{21}{4})$ litres.

Quantity of B in mixture left = $(5 x - \frac{5}{12} \times 9) = (5 x - \frac{15}{4})$ litres.

$\frac{(7 x - \frac{21}{4})}{(5 x - \frac{15}{4}) + 9} = \frac{7}{9}$

$\Rightarrow \frac{28 x - 21}{20 x + 21} = \frac{7}{9}$

$\Rightarrow x = 3$

So, the can contained 21 litres of A.

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Filed Under: Alligation or Mixture

272 46926

Q:

What is the value of [(√529) + (√5.29) + (√0.0529)]?

A) 25.323	B) 25.53
C) 23.253	D) 23.53

Answer & Explanation Answer: B) 25.53

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 46906

Q:

Solve the following :

$24 - [25 - \{26 - (27 - \bar{28 - 29})\}] = ?$

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

Answer & Explanation Answer: C) -3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

3 46878

Q:

Which of the following statement(s) is/are TRUE?

$I . \frac{\sqrt{225} + \sqrt{441}}{\sqrt{256}} > 2.5 II . \frac{\sqrt{289} + \sqrt{529}}{\sqrt{169}} > 3$

A) Only I	B) Only II
C) Neither I nor II	D) Both I and II

Answer & Explanation Answer: B) Only II

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 46859

Q:

152, 124, 96, 69, 40

Find the odd man out?

A) 124	B) 96
C) 69	D) 40

Answer & Explanation Answer: C) 69

Explanation:

The given number series is 152, 124, 96, 69, 40

152

152 - 28 = 124

124 - 28 = 96

96 - 28 = 68 (not 69)

68 - 28 = 40

Hence, the odd man in the given number series is 69.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

13 46852

Q:

If x = 0.139, then what is the value of $\sqrt{4 x^{2} + 4 x + 1}$ ?

A) 1.39	B) 1.278
C) 2.139	D) 1.69

Quantitative Aptitude - Arithmetic Ability Questions

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