6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If log 2 = 0.3010 and log 3 = 0.4771, the values of log₅ 512 is

A) 2.875	B) 3.875
C) 4.875	D) 5.875

Answer & Explanation Answer: B) 3.875

Explanation:

ANS: log₅512 = log512/log5 = $\frac{\log 2^{9}}{\log (10 / 2)}$ = $\frac{9 \log 2}{\log 10 - \log 2}$ = $\frac{9 * 0.3010}{1 - 0.3010}$ =2.709/0.699 =2709/699 =3.876

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Filed Under: Logarithms
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211 73511

Q:

Correct expression of $0.126 \bar{36} = ?$

A) 139/1100	B) 126 361000
C) 1392200	D) 1263610000

Answer & Explanation Answer: A) 139/1100

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

5 73487

Q:

$\frac{1}{33} of \frac{1}{66} of \frac{1}{33} of \frac{1}{66}$ of 10000 of a number will be what percentage of that number?

A) 2.32	B) 1.32
C) 0.232	D) 0.0232

Answer & Explanation Answer: A) 2.32

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

26 73474

Q:

Find the unit place digit in the given expression.

${(153)}^{144} - {(115)}^{123} - {(111)}^{510} + {(216)}^{25}$

A) 1	B) 5
C) 6	D) 3

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 73460

Q:

If the diameter of a circle is 28 cm, then what will be its circumference (in cm)?

A) 88	B) 176
C) 35	D) 70

Answer & Explanation Answer: A) 88

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 73326

Q:

9 17 11 19 13

What Are The Next Three Numbers In The Given Number Series?

A) 17, 10, 18	B) 19, 14, 23
C) 21, 15, 23	D) 19, 13, 22

Answer & Explanation Answer: C) 21, 15, 23

Explanation:

Given number series is 9 17 11 19 13

Here the pattern is

9

9 + 8 = 17

17 - 6 = 11

11 + 8 = 19

19 - 6 = 13

13 + 8 = 21

21 - 6 = 15

15 + 8 = 23

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

7 73221

Q:

What was the day of the week on 17th June, 1998 ?

A) Monday	B) Tuesday
C) Wednesday	D) Friday

Answer & Explanation Answer: C) Wednesday

Explanation:

17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)
Odd days in 1600 years = 0
Odd days in 300 years = 1
97 years has 24 leap years + 73 ordinary years.
Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.
Jan. Feb. March. April. May. June.
(31 + 28 + 31 + 30 + 31 + 17) = 168 days
168 days = 24 weeks = 0 odd day.
Total number of odd days = (0 + 1 + 2 + 0) = 3.
Given day is Wednesday.

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Filed Under: Calendar
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO

424 73139

Q:

Which of the following combination of sides results in the formation of obtuse angled triangle?

A) 6,7,13	B) 5, 6, 8
C) 4, 5, 6	D) None of these

Quantitative Aptitude - Arithmetic Ability Questions

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