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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If $\frac{a^{2}}{b + c} = \frac{b^{2}}{c + a} = \frac{c^{2}}{a + b} = 1$ then the value of $\frac{2}{1 + a} + \frac{2}{1 + b} + \frac{2}{1 + c}$

A) 0	B) 1
C) 2	D) 3

A) 0

B) 1

C) 2

D) 3

Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1880

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

A) VT	B) FD
C) PN	D) JM

A) VT

B) FD

C) PN

D) JM

Answer & Explanation Answer: D) JM

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1880

If tan(A/2) = x, then the value of x is

A) sinA/(1 - cosA)	B) sinA/(1 + cosA)
C) √[sinA/(1 + cosA)]	D) √[sinA/(1 - cosA)]

A) sinA/(1 - cosA)

B) sinA/(1 + cosA)

C) √[sinA/(1 + cosA)]

D) √[sinA/(1 - cosA)]

Answer & Explanation Answer: B) sinA/(1 + cosA)

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Filed Under: Simplification
Exam Prep: Bank Exams

2 1879

If $x = \sqrt{3} + \frac{1}{\sqrt{3}}$ , then the value of $(x - \frac{\sqrt{126}}{\sqrt{42}}) (x - \frac{1}{x - \frac{2 \sqrt{3}}{3}})$ is

A) √3/6	B) 2√3/6
C) 5/6	D) 2/3

A) √3/6

B) 2√3/6

C) 5/6

D) 2/3

Answer & Explanation Answer: C) 5/6

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1878

If Cos θ = 5/13, then Cosec θ = ?

A) 5/12	B) 12/5
C) 13/5	D) 13/12

A) 5/12

B) 12/5

C) 13/5

D) 13/12

Answer & Explanation Answer: D) 13/12

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1878

What is the simplified value of $[(\sec^{3} x - \tan^{3} x) / (\sec x - \tan x)] - 2 \tan^{2} x - \sec x \tan x ?$

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

A) 0

B) 2

C) -1

D) 1

Answer & Explanation Answer: D) 1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1878

A mobile plan costs Rs. 32 for 6 minutes. What is the approximate cost, in rupees, for 4 minutes?

A) 21.30	B) 21.40
C) 21.20	D) 21.50

A) 21.30

B) 21.40

C) 21.20

D) 21.50

Answer & Explanation Answer: A) 21.30

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

0 1877

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is

A) 14/83	B) 83/14
C) 90/83	D) 83/90

A) 14/83

B) 83/14

C) 90/83

D) 83/90

Answer & Explanation Answer: A) 14/83

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1877

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