6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

A) 3/4(√7 – √3)	B) √5 – √3
C) √7 + √5	D) 1/2(√7 + √3)

Answer & Explanation Answer: A) 3/4(√7 – √3)

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GATE , Bank Exams
Job Role: Bank PO , Bank Clerk

0 1560

Q:

$If x + \frac{1}{x} = 2, then x^{2} + \frac{1}{x^{2}} = ?$

A) 0	B) 2
C) 4	D) 8

Answer & Explanation Answer: B) 2

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1559

Q:

In the triangle ABC,∠BAC = 50° and the bisectors of ∠ABC and ∠ACB meets at P. What is the value (in degrees) of ∠BPC?

A) 100	B) 105
C) 115	D) 125

Answer & Explanation Answer: C) 115

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

1 1559

Q:

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

A) 500	B) 250
C) 125	D) 200

Answer & Explanation Answer: B) 250

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.

A) 160	B) 16
C) 140	D) 40

Answer & Explanation Answer: A) 160

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1559

Q:

If P = 99, then the value of $P (P^{2} + 3 P + 3)$ is

A) 9999	B) 999999
C) 99999	D) 9999999

Answer & Explanation Answer: B) 999999

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If $P = 2^{2} + 6^{2} + 10^{2} + 14^{2} + . . . 94^{2} and Q = 1^{2} + 5^{2} + 9^{2} + . . . 81^{2}$ , then what is the value of P – Q?

A) 24645	B) 26075
C) 29317	D) 31515

Answer & Explanation Answer: B) 26075

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Ramu can row 9 kmph in still water. It takes him twice as long to row up as to row down. Find the rate of stream.

A) 16 kmph	B) 8 kmph
C) 3 kmph	D) 9 kmph

Quantitative Aptitude - Arithmetic Ability Questions

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