6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If 35% of (x + y) = 40% of (x – y), then x is what percentage of y?

A) 1500	B) 150
C) 15	D) 105

Answer & Explanation Answer: A) 1500

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Filed Under: Percentage
Exam Prep: Bank Exams , CAT

0 1818

Q:

O is the circumcentre of ΔABC. If AO = 8 cm, then the length of BO is

A) 12 cm	B) 3 cm
C) 6 cm	D) 8 cm

Answer & Explanation Answer: D) 8 cm

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

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Q:

Two trains are moving in the opposite directions at speed of 43 km/h and 51 km/h respectively. The time taken by the slower train to cross a man sitting in the faster train is 9 seconds. What is the length (in metres) of the slower train?

A) 235	B) 338.4
C) 470	D) 940

Answer & Explanation Answer: A) 235

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

2 1817

Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (7, 14, 21)	B) (5, 12, 19)
C) (3, 10, 17)	D) (9, 16, 35)

Answer & Explanation Answer: D) (9, 16, 35)

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The price of rice has increased by 60%. In order to restore the original price, the new price must be reduced by

A) 33 1/3%	B) 37 1/2%
C) 40%	D) 45%

Answer & Explanation Answer: B) 37 1/2%

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Filed Under: Percentage
Exam Prep: Bank Exams

1 1817

Q:

If $\frac{11 - 13 x}{x} + \frac{11 - 13 y}{y} + \frac{11 - 13 z}{z} = 5$ then what is the value of $\frac{1}{x} + \frac{1}{y} + \frac{1}{z} = ?$

A) 1	B) 13/11
C) 13/5	D) 4

Answer & Explanation Answer: D) 4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If $x^{2} - 2 x + 1 = 0,$ then the value of $x^{4} + \frac{1}{x^{4}}$ is

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

Answer & Explanation Answer: B) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Area of 4 walls of a cuboid is 448 sq cm, its length is 18 cm and height is 8 cm. What is its breadth (in cm)?

A) 10	B) 9
C) 8	D) 7

Quantitative Aptitude - Arithmetic Ability Questions

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