6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?

A) 36	B) 24
C) 28	D) 40

Answer & Explanation Answer: A) 36

Explanation:

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Q:

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

A) 4/5	B) 9/4
C) 4/9	D) 5/4

Answer & Explanation Answer: D) 5/4

Explanation:

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Q:

If 5 - 2x ≥ 4 - x and 3(2 - x) > 2 - 4x; then x can take which of the following values?

A) 3	B) 2
C) -3	D) -5

Answer & Explanation Answer: C) -3

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Q:

Given that the polynomial $(x^{2} + ax + b)$ leaves that same remainder when by (x –1) or (x + 1) What are the values of a and b respectively?

A) 4 and 0	B) 0 and 3
C) 3 and 0	D) 0 and any interger

Answer & Explanation Answer: D) 0 and any interger

Explanation:

Since x^2+ ax + b when divided by x-1 or x+1 leaves the same remainder

So on putting x=1 and x=-1 we get the same value

1+a+b = 1-a+b

2a=0

a=0

here b can take any value as it will always get cancelled out

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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

Divide 20 into two parts such that the sum of the square of the parts is 232. What is the value of the two parts?

A) 6, 14	B) 8, 12
C) 4, 16	D) 10, 10

Answer & Explanation Answer: A) 6, 14

Explanation:

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Filed Under: Numbers
Exam Prep: Bank Exams , CAT

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Q:

Which of the following is not a quadratic equation?

A) 2x(x + 4) -11 = x(x - 3) + 6	B) 4x(x + 4) -11 = 5x(x - 3) + 5
C) x(x + 2) -15 = x(x - 5) + 11	D) 2x2 + 8x - 11 = 0

Answer & Explanation Answer: C) x(x + 2) -15 = x(x - 5) + 11

Explanation:

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Q:

The point P (a,b) is first reflected in origin to P1 and P1 is reflected in Yaxis to (4,3). The co-ordinates of point P are

A) (4,3)	B) (-4,3)
C) (-3,4)	D) (3,-4)

Answer & Explanation Answer: A) (4,3)

Explanation:

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Q:

46% of 250 is equal to

A) 115	B) 92
C) 112	D) 13.5

Quantitative Aptitude - Arithmetic Ability Questions

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