6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

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

A) Bismillah Khan	B) C. V. Raman
C) Homi Jehangir Bhabha	D) Vikram Sarabhai

Answer & Explanation Answer: A) Bismillah Khan

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Q:

Four pairs of words are given. Find the odd one out.

A) White : Snow	B) Red : Blood
C) Brown : Sky	D) Green : Grass

Answer & Explanation Answer: C) Brown : Sky

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Q:

If α and β are the roots of the equation $x^{2} + x - 1 = 0$ , then what is the equation whose roots are $α^{5} and β^{5}$ ?

A) x2 + 7x – 1 = 0	B) x2 – 7x – 1 = 0
C) x2 – 11x – 1 = 0	D) x2 + 11x – 1 = 0

Answer & Explanation Answer: D) x2 + 11x – 1 = 0

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Q:

What is the value of sin(11π/6)?

A) 2/√3	B) -2/√3
C) -1/2	D) 1/2

Answer & Explanation Answer: C) -1/2

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Q:

The diameter of a circle is 28 cm find its area?

A) 616 sq cm	B) 308 sq cm
C) 154 sq cm	D) 77 sq cm

Answer & Explanation Answer: A) 616 sq cm

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Q:

An engineering student has to secure 25% marks to pass. He gets 56 and fails by 34 marks. Find the maximum marks.

A) 385 marks	B) 360 marks
C) 410 marks	D) 435 marks

Answer & Explanation Answer: B) 360 marks

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Q:

If sin(A/2) = x, then the value of x is

A) √[(1 + cosA)/2]	B) √[(1 - cosA)/2]
C) √[(1 - sinA)/2]	D) √[(1 + sinA)/2]

Answer & Explanation Answer: B) √[(1 - cosA)/2]

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Q:

What is the average of 36, 43, 51, 68, and 77?

A) 47	B) 49
C) 55	D) 64

Quantitative Aptitude - Arithmetic Ability Questions

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