6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If a + b = 8 and ab = 15, then what is the value of $a^{3} + b^{3} ?$

A) 98	B) 152
C) 124	D) 260

Answer & Explanation Answer: B) 152

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Q:

What is the value of sec 330°?

A) 2	B) -2/√3
C) -2	D) 2/√3

Answer & Explanation Answer: D) 2/√3

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Q:

If 2x + 3y = 0 and 3x - 4y = 34, then x - y = ______

A) 10	B) -10
C) 2	D) -2

Answer & Explanation Answer: A) 10

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Q:

Which of the following is not a quadratic equation?

A) 3x(x + 5) 11 = 2x(x - 2) + 6	B) 4x(x + 3) + 7 = 4x(x - 11) + 9
C) x(x + 2) 15 = x(2x - 5) + 11	D) 4x - 6x + 9 = 0

Answer & Explanation Answer: B) 4x(x + 3) + 7 = 4x(x - 11) + 9

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Q:

If $C + \frac{1}{C} = 3$ , then what is the value of ${(C - 3)}^{7} + \frac{1}{C^{7}}$ ?

A) 2	B) 0
C) 3	D) 1

Answer & Explanation Answer: B) 0

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Q:

The value of $\frac{a}{a - b} + \frac{b}{b - a}$ is

A) a+b/a-b	B) -1
C) 2ab	D) 1

Answer & Explanation Answer: D) 1

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Q:

If $a^{3} + b^{3} = 35$ and ab = 6, then what is the value of a + b?

A) 5	B) 8
C) 2	D) -8

Answer & Explanation Answer: A) 5

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Q:

Point P is the midpoint of segment AB. Co-ordinates of P are (5,-4) and A are (7,0). What will be the co-ordinates of point B?

A) (3, -8)	B) (-3, -8)
C) (3, 8)	D) (-3, 8)

Quantitative Aptitude - Arithmetic Ability Questions

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