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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is

A) 81 m	B) 80 m
C) 75 m	D) 72 m

A) 81 m

B) 80 m

C) 75 m

D) 72 m

Answer & Explanation Answer: D) 72 m

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Exam Prep: Bank Exams

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Sec 45% + Tan 30% =

A) (√6 + 1)/√3	B) (1 + √3)/2
C) (√3 + 2)/√3	D) 5/√3

A) (√6 + 1)/√3

B) (1 + √3)/2

C) (√3 + 2)/√3

D) 5/√3

Answer & Explanation Answer: A) (√6 + 1)/√3

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Exam Prep: Bank Exams

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The value of $8 (\sin^{6} θ + \cos^{6} θ) - 12 (\sin^{4} θ + \cos^{4} θ)$ is equal to

A) 20	B) -20
C) 4	D) -4

A) 20

B) -20

C) 4

D) -4

Answer & Explanation Answer: D) -4

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What is the value of $[(\sin 59 ° \cos 31 ° + \cos 59 ° \sin 31 °) \div (\cos 20 ° \cos 25 ° - \sin 20 ° \sin 25 °)] ?$

A) 1/√2	B) 2√2
C) √3	D) √2

A) 1/√2

B) 2√2

C) √3

D) √2

Answer & Explanation Answer: D) √2

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Simplify 437bxaz / 23ab.

A) 17xzb	B) 9xz
C) 19xz	D) 19ab

A) 17xzb

B) 9xz

C) 19xz

D) 19ab

Answer & Explanation Answer: C) 19xz

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Determine the value of ${(y - \frac{1}{y})}^{2}$ when $y^{4} + \frac{1}{y^{4}} = 34$

A) 1	B) 2
C) 3	D) 4

A) 1

B) 2

C) 3

D) 4

Answer & Explanation Answer: D) 4

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In ΔABC measure of angle B is 90 deg. If cotA = 7/24, and AB = 1.4cm, then what is the length (in cm) of side AC?

A) 5	B) 4.8
C) 4	D) 5.6

A) 5

B) 4.8

C) 4

D) 5.6

Answer & Explanation Answer: A) 5

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Exam Prep: Bank Exams , CAT

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What is the value of (cos 45 - 1/3) ?

A) 2-√3	B) 2/√3
C) (3-√2)/3√2	D) 1/2√3

A) 2-√3

B) 2/√3

C) (3-√2)/3√2

D) 1/2√3

Answer & Explanation Answer: C) (3-√2)/3√2

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