6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Δ DEF is right angled at E. If m∠D = 45%., then Cosec F =

A) 1/2	B) 1/√2
C) √2	D) 1/√3

Answer & Explanation Answer: C) √2

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Q:

Product of $9 b^{2}, 3 a^{2}$ and 4ab is

A) 108a2b2	B) 108a3b3
C) 108a3b2	D) 108a4b4

Answer & Explanation Answer: B) 108a3b3

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Q:

What is the value of (3/5 + 7/9)?

A) 62/45	B) 31/28
C) 5/7	D) 1/7

Answer & Explanation Answer: A) 62/45

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Q:

The price of an article is cut by 7%, to restore it to its original value, the new price must be increased by

A) 7 percent	B) 33.77 percent
C) 7.53 percent	D) 63.75 percent

Answer & Explanation Answer: C) 7.53 percent

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Q:

If $x = {at}^{2}$ and y = 2at then

A) x2 = 4ay	B) y2 = 4ax
C) x2 + y 2 = a2	D) x 2 - y2 = a 2

Answer & Explanation Answer: B) y2 = 4ax

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Q:

If $a^{3} + b^{3} = 19$ and ab = -6 , then what is the value of a + b?

A) 5	B) 7
C) 1	D) -5

Answer & Explanation Answer: C) 1

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Q:

If 1/√(cosec2A - 1) = x, then value of x is

A) cotA	B) tanA
C) sinA	D) cosA

Answer & Explanation Answer: B) tanA

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Q:

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

A) x2+ y2+ 3 =1	B) x2y2 (x2+ y2+3)=1
C) x2 (x2+ y2 - 5)=1	D) y2 (x2+ y2 - 5)=1

Quantitative Aptitude - Arithmetic Ability Questions

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