6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Which of the following triangle has the maximum area when inscribed inside the circle of same radius?

A) Scalene	B) Isosceles
C) Equilateral	D) Right angled

Answer & Explanation Answer: C) Equilateral

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Q:

If $\sec^{2} θ + \tan^{2} θ = \sqrt{3}, then \sec^{4} θ - \tan^{4} θ =$

A) 1/√3	B) 1
C) √3	D) 0

Answer & Explanation Answer: C) √3

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Q:

If secA + tanA = x, then find the value of x.

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

Answer & Explanation Answer: D) √[(1 + sinA)/(1 - sinA)]

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Q:

What is the value of Tan 45° - 1/√3 Sec 60°?

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

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

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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) 9 – 81	B) 8 – 64
C) 6 – 36	D) 7 – 47

Answer & Explanation Answer: D) 7 – 47

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) VR	B) LH
C) SW	D) FB

Answer & Explanation Answer: C) SW

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Q:

What is the value of cot 11π/6?

A) -√3	B) -1
C) √3	D) -1/2

Answer & Explanation Answer: A) -√3

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Q:

sinA/(1 + cos A) is equal to

A) (cosecA - cotA)	B) (cosecA + cotA)
C) √[(cosecA - cotA)]	D) √[(cosecA + cotA)]

Quantitative Aptitude - Arithmetic Ability Questions

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