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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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$\sec^{2} {Acosec}^{2} A$ is equal to

A) sec2A - cosec2A	B) √[sec2A + cosec2A]
C) sec2A + cosec2A	D) √[sec2A - cosec2A]

A) sec2A - cosec2A

B) √[sec2A + cosec2A]

C) sec2A + cosec2A

D) √[sec2A - cosec2A]

Answer & Explanation Answer: C) sec2A + cosec2A

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1539

If x – 3 + [1/(x – 3)] = 4, what is the value of $[{(x - 3)}^{3} + [1 / {(x - 3)}^{3}]$ ?

A) 14	B) 18
C) 52	D) 76

A) 14

B) 18

C) 52

D) 76

Answer & Explanation Answer: C) 52

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0 1539

The simplest value of $\frac{3 \sqrt{8} - 2 \sqrt{12} + \sqrt{20}}{3 \sqrt{18} - 2 \sqrt{27} + \sqrt{45}}$ is

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

A) 3/2

B) 2/3

C) 1/3

D) 2

Answer & Explanation Answer: B) 2/3

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Exam Prep: Bank Exams

0 1539

θ is a positive acute angle and sinθ cosθ = 0, then the value of secθ + cosecθ is

A) 2	B) √2
C) 2√2	D) 3√2

A) 2

B) √2

C) 2√2

D) 3√2

Answer & Explanation Answer: C) 2√2

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Simple interest on a sum for 5 years is equal to 20% of the principal. In how many years interest will be equal to the principal?

A) 20	B) 25
C) 15	D) 16

A) 20

B) 25

C) 15

D) 16

Answer & Explanation Answer: B) 25

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Filed Under: Simple Interest
Exam Prep: Bank Exams

2 1539

Find x, if $\sqrt{5 x - 6} + \sqrt{5 x + 6} = 6$

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

A) -4

B) 0

C) 2

D) 4

Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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What is the value of $Sin 30 ° + 2 Cos 30 ° ?$

A) (2√2 + 3)/√6	B) (9 + 2√3)/9
C) (1 + 2√3)/2	D) (2√6 + 1)/√3

A) (2√2 + 3)/√6

B) (9 + 2√3)/9

C) (1 + 2√3)/2

D) (2√6 + 1)/√3

Answer & Explanation Answer: C) (1 + 2√3)/2

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0 1538

What is the area (in cm2) of the circumcircle of a triangle whose sides are 6 cm, 8 cm and 10 cm respectively?

A) 275/7	B) 550/7
C) 2200/7	D) 1100/7

A) 275/7

B) 550/7

C) 2200/7

D) 1100/7

Answer & Explanation Answer: B) 550/7

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Filed Under: Area
Exam Prep: Bank Exams

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