6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If $\cos^{4} θ - \sin^{4} θ = \frac{1}{3}$ then the value of $\tan^{2} θ$ is

A) 1/2	B) 1/3
C) 1/4	D) 1/5

Answer & Explanation Answer: A) 1/2

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

If ${(secA - tanA)}^{2} = x$ , then the value of x is

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

Answer & Explanation Answer: C) (1 - sinA)/(1 + sinA)

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

In Δ ABC , if ∠BAC = 90° and AB = AC , then ∠ABC is

A) 30°	B) 60°
C) 45°	D) 25°

Answer & Explanation Answer: C) 45°

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Total surface area of a cube is 486 sq cm, find sum of length of all its edges?

A) 216 cms	B) 108 cms
C) 54 cms	D) 162 cms

Answer & Explanation Answer: B) 108 cms

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Instead of multiplying by 25, a student multiplies that number by 52 and gets 324 more than correct answer. Then that number is

A) 15	B) 12
C) 25	D) 32

Answer & Explanation Answer: B) 12

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Simplify $(b^{5} x 2 a^{3} z^{4}) * (b^{3} x^{2} a^{4} z^{5}) / (a^{2} b^{3} z^{2})$

A) b5x4a5z5	B) b5x4a5z7
C) b5x4a4z7	D) b4x4a5z7

Answer & Explanation Answer: B) b5x4a5z7

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the equation of the line whose y-intercept is 4 and making an angle of 45° with the positive x-axis?

A) x + y = -4	B) x - y = 4
C) x + y = 4	D) x - y = -4

Answer & Explanation Answer: D) x - y = -4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If x tan 60° + cos 45° = sec 45° then the value of $x^{2} + 1$ is

A) 6/7	B) 7/6
C) 5/6	D) 6/5

Quantitative Aptitude - Arithmetic Ability Questions

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