6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Deksha borrowed Rs. 500 at 5% per annum S.I. What amount (in Rs.) will she pay to clear her debt after 4 years?

A) 150	B) 650
C) 600	D) 100

Answer & Explanation Answer: C) 600

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

The base of a prism is in the shape of an equilateral triangle. If the perimeter of the base is 18 cm and the height of the prism is 20 cm, then what is the volume (in cm3) of the prism?

A) 60√3	B) 30√6
C) 60√2	D) not know

Answer & Explanation Answer: D) not know

Explanation:

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

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Q:

If $\frac{2 p}{p^{2} - 2 p + 1} = \frac{1}{4}$ , then the value of (p + 1/p) will be

A) 8	B) 10
C) 12	D) None of these

Answer & Explanation Answer: B) 10

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

If in 2 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs 7000 in 3 years at the same rate?

A) 1865.2	B) 2065.2
C) 1965.2	D) 1765.2

Answer & Explanation Answer: B) 2065.2

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Simplify $576 b^{3} x^{2} a^{4} z^{3} / 36 a^{3} b^{2} z$

A) 16bx2az2	B) 8bx2az2
C) 32ba2 z	D) 32bxa2

Answer & Explanation Answer: A) 16bx2az2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of $2 \sec^{2} A$ ?

A) secA/(cosecA - 1) + secA/(cosecA +1)	B) cosecA/(secA -1) + cosecA/(secA +1)
C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)	D) secA/(secA - 1) + secA/(secA +1)

Answer & Explanation Answer: C) cosecA/(cosecA - 1) + cosecA/(cosecA +1)

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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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:

When [x + (1/x)] = 5, then what is the value of [x – (1/x)]?

A) 11	B) ± √22
C) 21	D) ± √21

Quantitative Aptitude - Arithmetic Ability Questions

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