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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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Select the odd word/letters/number/number pair from the given alternatives.

A) 961	B) 443
C) 361	D) 289

A) 961

B) 443

C) 361

D) 289

Answer & Explanation Answer: B) 443

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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The mean of distribution is 11 and the standard deviation is 5. What is the value of the coefficient variation?

A) 45.45%	B) 35.35%
C) 25.25%	D) 55.55%

A) 45.45%

B) 35.35%

C) 25.25%

D) 55.55%

Answer & Explanation Answer: A) 45.45%

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Filed Under: Probability
Exam Prep: Bank Exams

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

A) 484	B) 784
C) 676	D) 575

A) 484

B) 784

C) 676

D) 575

Answer & Explanation Answer: C) 676

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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If $\cos^{2} x + \cos^{4} x = 1, then \tan^{2} x + \tan^{4} x =$

A) 0	B) 1
C) 2tanx	D) tanx

A) 0

B) 1

C) 2tanx

D) tanx

Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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If x - y = 7 and x + y = 13, then $x^{2} - y^{2}$ is

A) 91	B) -30
C) 30	D) -91

A) 91

B) -30

C) 30

D) -91

Answer & Explanation Answer: D) -91

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Filed Under: Simplification
Exam Prep: Bank Exams

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If w : 0.80 :: 9 : 6, w = ?

A) 2.5	B) 1.1
C) 3.3	D) 1.2

A) 2.5

B) 1.1

C) 3.3

D) 1.2

Answer & Explanation Answer: D) 1.2

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

6 967

If $x = \frac{4 \sqrt{ab}}{\sqrt{a} + \sqrt{b}}$ , then what is the value of $\frac{x + 2 \sqrt{a}}{x - 2 \sqrt{a}} + \frac{x + 2 \sqrt{b}}{x - 2 \sqrt{b}}$ ?

A) 0	B) 2
C) 4	D) 1

A) 0

B) 2

C) 4

D) 1

Answer & Explanation Answer: B) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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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

A) 2/√3

B) 2/3

C) √2/√3

D) √2/3

Answer & Explanation Answer: A) 2/√3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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