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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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What is the value of (cos45° + 1/3) ?

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

A) 2+√3

B) (2√2+1)/√2

C) (3+√2)/3√2

D) 5/√3

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

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1017

If $\frac{1}{a} (a^{2} + 1) = 3,$ then the value of $\frac{a^{6} + 1}{a^{3}}$ is

A) 9	B) 18
C) 27	D) 1

A) 9

B) 18

C) 27

D) 1

Answer & Explanation Answer: B) 18

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0 1017

Mr. Ibrahim borrowed Rs. 7500 at 5% per annum compound interest. The compound interest compounded annually for 2 years is

A) 768.75	B) 8268.75
C) 8286.75	D) 786.75

A) 768.75

B) 8268.75

C) 8286.75

D) 786.75

Answer & Explanation Answer: B) 8268.75

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Filed Under: Compound Interest
Exam Prep: Bank Exams

3 1017

What is the ratio of radius of incircle and circumcircle for an equilateral triangle with an area of 22√3 sq. units?

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

A) 1/2

B) 1/4

C) 1/3

D) 2/3

Answer & Explanation Answer: A) 1/2

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Filed Under: Area
Exam Prep: Bank Exams

2 1017

If 2x - 3 = 3x - 5, then the numerical value of ${(x - 3)}^{2}$ is

A) 5	B) 1
C) -5	D) -1

A) 5

B) 1

C) -5

D) -1

Answer & Explanation Answer: B) 1

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0 1017

If cosAcotA/(1 - sinA) = x, then the value of x is

A) 1 - cosecA	B) 1 + cosecA
C) 1 + secA	D) 1 - secA

A) 1 - cosecA

B) 1 + cosecA

C) 1 + secA

D) 1 - secA

Answer & Explanation Answer: B) 1 + cosecA

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0 1017

If u+v = 10 and uv = 16, then find the value of $\frac{u^{2} - v^{2}}{uv}$

A) 0	B) 15/8
C) 15/4	D) 15/2

A) 0

B) 15/8

C) 15/4

D) 15/2

Answer & Explanation Answer: C) 15/4

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0 1017

What is the value of $\frac{1}{\sin^{4} (90 - θ)} + \frac{1}{[\cos^{2} (90 - θ) - 1]}$ ?

A) tan2θ sec2θ	B) sec4θ
C) tan4θ	D) tan2θ sin2θ

A) tan2θ sec2θ

B) sec4θ

C) tan4θ

D) tan2θ sin2θ

Answer & Explanation Answer: A) tan2θ sec2θ

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0 1017

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