6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

For what sum will the simple interest at R% for 2 years will be R?

A) 100/2R	B) 50/R
C) 100/R	D) 200/R

Answer & Explanation Answer: C) 100/R

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

A) 45°	B) 22.5°
C) 135°	D) 90°

Answer & Explanation Answer: D) 90°

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is

A) 9.8 sec	B) 12.1 sec
C) 12.42 sec	D) 14.3 sec

Answer & Explanation Answer: B) 12.1 sec

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

2 1257

Q:

What is the value of $[(\cos^{3} 2 θ + 3 \cos 2 θ) \div (\cos^{6} θ - \sin^{6} θ)]$ ?

A) 0	B) 1
C) 2	D) 4

Answer & Explanation Answer: D) 4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

The sum of a non-zero number and its reciprocal is 2. What is the number?

A) 1	B) 2
C) 0	D) 4

Answer & Explanation Answer: A) 1

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m, when will they next ring together?

A) 11:29 a.m.	B) 11:27 a.m.
C) 11:51 a.m.	D) 12:29 p.m.

Answer & Explanation Answer: B) 11:27 a.m.

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Filed Under: Clocks
Exam Prep: Bank Exams

10 1257

Q:

In the following question, select the odd number from the given alternatives.

A) 26	B) 50
C) 82	D) 120

Quantitative Aptitude - Arithmetic Ability Questions

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