6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Calculate the value of x, if $\sqrt{1 - (\frac{x}{529})} = (\frac{16}{23})$

A) 283	B) 276
C) 273	D) 374

Answer & Explanation Answer: C) 273

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

3 68443

Q:

Simplify : ${(25)}^{\frac{3}{2}}$

A) 625	B) 15625
C) 125	D) √125

Answer & Explanation Answer: C) 125

Explanation:

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0 68396

Q:

Find the odd man out of the following series?

6, 8, 5, 10, 4, 14

A) 8	B) 10
C) 4	D) 5

Answer & Explanation Answer: C) 4

Explanation:

The given number series is 6, 8, 5, 10, 4, 14

6

6 + 2 = 8

8 - 3 = 5

5 + 5 = 10

10 - 7 = 3

3 + 11 = 14

...

Hence, the odd man in the given series is 4.

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

1 68350

Q:

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is :

A) 9.5 km/hr	B) 10 km/hr
C) 10.5 km/hr	D) 11 km/hr

Answer & Explanation Answer: B) 10 km/hr

Explanation:

Man's rate in still water = (15 - 2.5) km/hr = 12.5 km/hr.

Therefore, Man's rate against the current = (12.5 - 2.5) = 10 km/hr.

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Filed Under: Problems on Trains
Exam Prep: CAT
Job Role: Bank PO

109 68314

Q:

Find the odd man out?

28, 12, 4, 2, -2

A) -2	B) 2
C) 12	D) 28

Answer & Explanation Answer: B) 2

Explanation:

Here the given series 28, 12, 4, 2, -2 follows a pattern that

$28 28 - 2^{4} = 28 - 16 = 12 12 - 2^{3} = 12 - 8 = 4 4 - 2^{2} = 4 - 4 = 0 (NOT 2) 0 - 2^{1} = 0 - 2 = - 2$

Hence, the odd man in the given series is 2.

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

4 68161

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 68064

Q:

Which of the following statement(s) is/are TRUE?

I. 3/71 < 5/91 < 7/99
II. 11/135 > 12/157 > 13/181

A) Only I	B) Only II
C) Both I and II	D) Neither I nor II

Answer & Explanation Answer: C) Both I and II

Explanation:

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Q:

In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?

A) 720	B) 520
C) 700	D) 750

Answer & Explanation Answer: A) 720

Explanation:

The word 'LEADING' has 7 different letters.

When the vowels EAI are always together, they can be supposed to form one letter.

Then, we have to arrange the letters LNDG (EAI).

Now, 5 (4 + 1) letters can be arranged in 5! = 120 ways.

The vowels (EAI) can be arranged among themselves in 3! = 6 ways.

Required number of ways = (120 x 6) = 720.

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Filed Under: Permutations and Combinations

84 67924

Quantitative Aptitude - Arithmetic Ability Questions

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