6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If two marbles are picked at random, what is the probability that either both are red or both are green?

A) 5/7	B) 5/14
C) 1/7	D) 1/14

Answer & Explanation Answer: C) 1/7

Explanation:

Required probability = $\frac{(10 + 3)}{91} = \frac{13}{91} = \frac{1}{7}$

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE
Job Role: Bank Clerk , Bank PO

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Q:

In these tests find the Odd figure out

A) a	B) b
C) c	D) d

Answer & Explanation Answer: D) d

Explanation:

In all the squares, the direction of open face of all inner one is in different direction. But in option D there is 2 open face that faces the same direction i.e. south direction

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

What is 15% of 34 ?

A) 5.1	B) 5
C) 5.2	D) 4.9

Answer & Explanation Answer: A) 5.1

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

At 10% discount the selling price of an article is Rs 4500, what is the selling price (in Rs) if the discount is 27.5%?

A) 4000	B) 3625
C) 3500	D) 3125

Answer & Explanation Answer: B) 3625

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If $\sqrt (1 - \cos^{2} A) / cosA = x,$ then the value of x is

A) cotA	B) cosecA
C) tanA	D) secA

Answer & Explanation Answer: C) tanA

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In ΔXYZ measure of angle Y is 90 deg. If cot X = 5/12, and XY = 2.5 cm, then what is the length (in cm) of side XZ?

A) 6	B) 4
C) 5.6	D) 6.5

Answer & Explanation Answer: D) 6.5

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams , CAT

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Q:

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

A) 5%	B) 10%
C) 15%	D) 20%

Answer & Explanation Answer: A) 5%

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

What is the measure of an interior angle of a regular polygon of 10 sides?

A) 150	B) 156
C) 144	D) 160

Quantitative Aptitude - Arithmetic Ability Questions

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