6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find the unit place digit in the expression ${(159)}^{144} + {(114)}^{123} - {(110)}^{510} + {(213)}^{25}$

A) 3	B) 4
C) 7	D) 8

Answer & Explanation Answer: D) 8

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Which of the following conditions is correct for a right angled triangle?

A) Sum of the two angles of a triangle is greater than the third angle	B) Sum of the two angles of a triangle is less than the third angle
C) Sum of the two angles of a triangle is equal to the third angle	D) None of these

Answer & Explanation Answer: C) Sum of the two angles of a triangle is equal to the third angle

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Mark the odd man out in the given number series

24.3, 23.1, 20.7, 17.1, 12.4

A) 12.4	B) 17.1
C) 20.7	D) 23.1

Answer & Explanation Answer: A) 12.4

Explanation:

The given series 24.3, 23.1, 20.7, 17.1, 12.4 follows a pattern that

24.3

24.3 - 1.2 = 23.1

23.1 - 2.4 = 20.7

20.7 - 3.6 = 17.1

17.1 - 4.8 = 12.3 not 12.4

Hence, the odd man or odd number in the given series is 12.4

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Find the odd one out of the floowing number series?

270, 261, 279, 252, 289, 243

A) 270	B) 279
C) 289	D) 243

Answer & Explanation Answer: C) 289

Explanation:

Here the given number series is 270, 261, 279, 252, 289, 243

270 - 9 = 261

261 + 18 = 279

279 - 27 = 252

252 + 36 = 288 (not equals to 289)

288 - 45 = 243

Hence, the odd number in the given number series is 289.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

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Q:

A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction ?

A) 8	B) 9
C) 10	D) 11

Answer & Explanation Answer: B) 9

Explanation:

Actual price = Rs. (25 + 2.50) = Rs. 27.50.

Saving = 2.50

Percentage Saving = [(2.50/27.50)*100]

= 2500/275

= $9 \frac{1}{11}$ %

$\approx 9$ %

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Filed Under: Percentage

111 47166

Q:

In the following question, correct the equation by interchanging two signs.

4 x 3 – 6 ÷ 2 + 7 = 8

A) – and +	B) x and –
C) ÷ and x	D) x and +

Answer & Explanation Answer: A) – and +

Explanation:

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

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Q:

In a class, 30% of the students offered English, 20% offered Hindi and 10% offered both. If a student is selected at random, what is the probability that he. has offered English or Hindi ?

A) 1/2	B) 3/4
C) 4/5	D) 2/5

Answer & Explanation Answer: D) 2/5

Explanation:

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Filed Under: Probability

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Q:

Solve the following : 80÷[48−56−(60−36÷12×4)]=?

A) 5	B) 8
C) 4	D) 2

Quantitative Aptitude - Arithmetic Ability Questions

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