6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is

A) Rs. 32.50	B) Rs. 42.50
C) Rs. 34.00	D) Rs. 40.00

Answer & Explanation Answer: C) Rs. 34.00

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The selling price of an article is 8/5th of its cost price. Then the gain percentage is

A) 20%	B) 28%
C) 60%	D) 68%

Answer & Explanation Answer: C) 60%

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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:

The area of a right angled triangle ABC, right angled at B, is 46 sq units. A median is drawn from A to BC which intersects at D. Find the area (in sq. units)of triangle ABD.

A) 12	B) 23
C) 46	D) 88

Answer & Explanation Answer: B) 23

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If $a + b + c = 15 a n d \frac{1}{a} + \frac{1}{b} + \frac{1}{c} = \frac{71}{a b c},$ then the $a^{3} + b^{3} + c^{3} - 3 a b c$ is

A) 160	B) 180
C) 200	D) 220

Answer & Explanation Answer: B) 180

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

ΔABC is similar to ΔPQR. Length of AB is 18 cm and length of the corresponding side PQ is 12 cm. If area of ΔABC is 324 sq cm, what is the area of ΔPQR?

A) 72 sq cm	B) 144 sq cm
C) 36 sq cm	D) 487.5 sq cm

Answer & Explanation Answer: B) 144 sq cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

What is the distance between the points (11,-5) and (-1,0)?

A) 169 units	B) 12 units
C) 13 units	D) 144 units

Quantitative Aptitude - Arithmetic Ability Questions

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