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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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What is the value $\frac{3}{2} (\frac{\cos 39}{\sin 51}) - \sqrt{\sin^{2} 39 + \sin^{2} 51}$

A) 1/2	B) 5/2
C) 0	D) Both 1/2 and 5/2

A) 1/2

B) 5/2

C) 0

D) Both 1/2 and 5/2

Answer & Explanation Answer: D) Both 1/2 and 5/2

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0 1018

Given: x - 5 ≤ 2x - 3 and 2x - 1/2 ≥ 5x + 2; then x can take which of the following values?

A) -1	B) 1
C) 3	D) -3

A) -1

B) 1

C) 3

D) -3

Answer & Explanation Answer: A) -1

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0 1018

If the value of √30 is approximately 5.477, then what is the approximate value of $\sqrt{\frac{5}{6}}$ ?

A) 0.853	B) 0.891
C) 0.913	D) 0.937

A) 0.853

B) 0.891

C) 0.913

D) 0.937

Answer & Explanation Answer: C) 0.913

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0 1018

If secA = x, then the value of x is

A) √(1 - cot2A)	B) √(1 - tan2A)
C) √(1 + cot2A)	D) √(1 + tan2A)

A) √(1 - cot2A)

B) √(1 - tan2A)

C) √(1 + cot2A)

D) √(1 + tan2A)

Answer & Explanation Answer: D) √(1 + tan2A)

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0 1017

Rearrange the jumbled up letters in their natural sequence ad find the odd one out.

A) EARSUQ	B) ONGPOYL
C) NAEGRCELT	D) RGETESNH

A) EARSUQ

B) ONGPOYL

C) NAEGRCELT

D) RGETESNH

Answer & Explanation Answer: D) RGETESNH

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2 1017

A) 110	B) 220
C) 330	D) 440

A) 110

B) 220

C) 330

D) 440

Answer & Explanation Answer: C) 330

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2 1017

A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is

A) 5	B) 10
C) 20	D) 22

A) 5

B) 10

C) 20

D) 22

Answer & Explanation Answer: C) 20

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0 1017

If (1 - cosA)/(1 + cosA) = x, then the value of x is

A) (cotA + cosecA)2	B) (cotA - cosecA)2
C) cotA - cosecA	D) cotA + cosecA

A) (cotA + cosecA)2

B) (cotA - cosecA)2

C) cotA - cosecA

D) cotA + cosecA

Answer & Explanation Answer: B) (cotA - cosecA)2

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0 1017

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