6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

A) decreased in the ratio 144:143	B) increased in the ratio 117:176
C) increased in the ratio 143:144	D) decreased in the ratio 176:117

Answer & Explanation Answer: C) increased in the ratio 143:144

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers?

A) 33	B) 44
C) 55	D) 66

Answer & Explanation Answer: C) 55

Explanation:

All such 2 digit numbers are 11,22,33,44....... upto 99

Forms an AP

So sum = n/2(a+l)

= 9/2(11+99)

Average = sum/9 = ½(11+99) = 55

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

A number exceeds its 1/6 by 30. What is the number?

A) 120	B) 150
C) 36	D) 24

Answer & Explanation Answer: C) 36

Explanation:

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

$\tan^{2} {Asin}^{2} A$ is equal to

A) tan2A - sin2A	B) tan2A + sin2A
C) cot2A - sin2A	D) cot2A + sin2A

Answer & Explanation Answer: A) tan2A - sin2A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

A) 50%	B) 25%
C) 100%	D) 75%

Answer & Explanation Answer: B) 25%

Explanation:

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

Find the odd word/letters/number from the given alternatives.

A) CBED	B) JILK
C) TSVU	D) VZXY

Answer & Explanation Answer: D) VZXY

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If x + y + z = 0, then what is the value of $(3 y^{2} + x^{2} + z^{2}) / (2 y^{2} - xz) ?$

A) 2	B) 1
C) 3/2	D) 5/3

Answer & Explanation Answer: A) 2

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

ΔABC is right angled at B. If m ∠A = 60°, then what is the value of 1/√3 Cosec C?

A) 2/√3	B) 2/3
C) √2/√3	D) √2/3

Quantitative Aptitude - Arithmetic Ability Questions

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