6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find two numbers such that their mean proportion is 8 and third proportion is 64.

A) 4 and 8	B) 8 and 16
C) 8 and 8	D) 4 and 16

Answer & Explanation Answer: D) 4 and 16

Explanation:

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Filed Under: Ratios and Proportions
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Q:

Given that the polynomial $(x^{2} + ax + b)$ leaves that same remainder when by (x –1) or (x + 1) What are the values of a and b respectively?

A) 4 and 0	B) 0 and 3
C) 3 and 0	D) 0 and any interger

Answer & Explanation Answer: D) 0 and any interger

Explanation:

Since x^2+ ax + b when divided by x-1 or x+1 leaves the same remainder

So on putting x=1 and x=-1 we get the same value

1+a+b = 1-a+b

2a=0

a=0

here b can take any value as it will always get cancelled out

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

The areas of two similar triangles ΔABC and ΔPQR are 36 sq cms and 9 sq cms respectively. If PQ = 4 cm then what is the length of AB (in cm)?

A) 16	B) 12
C) 8	D) 6

Answer & Explanation Answer: C) 8

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

The length of one side of a rhombus is 13 cm and one of the diagonals is 10 cm. What is the legth of the other diagonal?

A) 24 cm	B) 23 cm
C) 25 cm	D) 22 cm

Answer & Explanation Answer: A) 24 cm

Explanation:

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Filed Under: Area
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Q:

If 2x - 2(3 + 4x) < -1 - 2x > -5/3 - x/3; then x can take which of the following values?

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

Answer & Explanation Answer: D) -1

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the odd numbers/letters/numbers from the given alternatives.

A) Red	B) Brown
C) Green	D) Yellow

Answer & Explanation Answer: B) Brown

Explanation:

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Filed Under: Odd Man Out
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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) 13 – 15	B) 17 – 19
C) 11 – 13	D) 15 – 19

Answer & Explanation Answer: D) 15 – 19

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If $XY = \frac{a + 2}{3} and \frac{Y}{X} = \frac{1}{3}$ , then find the value of $\frac{X^{2} + Y^{2}}{X^{2} - Y^{2}}$ .

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

Quantitative Aptitude - Arithmetic Ability Questions

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