6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A cricketer, whose bowling average was 12.4 runs/wicket takes 5 wickets for 22 runs in a match, thereby decreases his average by 0.4. The number of wickets, taken by him before this match was:

A) 78	B) 87
C) 95	D) 105

Answer & Explanation Answer: C) 95

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

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Q:

The compound interest on Rs. 24000 at 10% per annum for 11⁄2 years, interest being compounded semiannually is

A) Rs.3783	B) Rs.3777
C) Rs.3780	D) Rs.3781

Answer & Explanation Answer: A) Rs.3783

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Filed Under: Compound Interest
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)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of tan 7π/4?

A) √3	B) -1/2
C) √3/2	D) -1

Answer & Explanation Answer: D) -1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the value of $x^{3} - y^{3}$ , if x - y = 4 and xy = 12.

A) 198	B) 208
C) 218	D) 228

Answer & Explanation Answer: B) 208

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If S divides PQ in the ratio 4:1 and length of QR is 15 cm,what is the length of ST?

A) 3 cm	B) 5 cm
C) 12 cm	D) 10 cm

Answer & Explanation Answer: C) 12 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

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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

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Mohan earns a profit of 20% on selling a jean at 15% discount on printed price. The ratio of the cost price to printed price of the jean is

A) 17:24	B) 17:34
C) 16:13	D) 21:23

Quantitative Aptitude - Arithmetic Ability Questions

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