6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In how many ways the word 'SCOOTY' can be arranged such that 'S' and 'Y' are always at two ends?

A) 720	B) 360
C) 120	D) 24

Answer & Explanation Answer: D) 24

Explanation:

Given word is SCOOTY

ATQ,

Except S & Y number of letters are 4(C 2O's T)

Hence, required number of arrangements = 4!/2! x 2! = 4!

= 4 x 3 x 2

= 24 ways.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

6 3595

Q:

Find the odd word/letters/number pair from the given alternatives.

(A) KP

(B) MN

(C) HR

(D) GT

A) A	B) B
C) C	D) D

Answer & Explanation Answer: C) C

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 3593

Q:

Mohan was married 5 years ago. At present his age is 6/5 times of his age at the time of marriage. His wife is 3 year younger to him. Find his wife’s present age?

A) 21 yrs	B) 24 yrs
C) 27 yrs	D) 30 yrs

Answer & Explanation Answer: C) 27 yrs

Explanation:

Let Mohan present age = p

ATQ,

5/6 x p = p - 5

p = 30

His wifes age = 30 - 3 = 27 yrs.

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

14 3590

Q:

$28 \sqrt{?} + 1426 = \frac{3}{4} o f 2872$

A) 576	B) 676
C) 1296	D) 1444

Answer & Explanation Answer: B) 676

Explanation:

$L e t 28 \sqrt{x} + 1426 = 3 \times 718$

Then $28 \sqrt{x} = 2154 - 1426$

$\Rightarrow 28 \sqrt{x} = 728 \Rightarrow \sqrt{x} = 26$

$∴ x = 676$

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Filed Under: Square Roots and Cube Roots

9 3587

Q:

If the true discount on a certain sum due 6 months hence at 15% is Rs 120.What is the bankers discount on the same for same time and the same rate.

A) Rs.109	B) Rs.119
C) Rs.129	D) Rs.139

Answer & Explanation Answer: C) Rs.129

Explanation:

B.G = S.I On T.D

= Rs. (120 * 15 * 1/2 * 1/100)

= Rs.9

B.D - T.D = Rs.9

B.D = Rs.(120 +9) = Rs.129

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Filed Under: Banker's Discount

1 3586

Q:

The income of X, Y and Z are in the ratio of 3 : 4 : 2 and their expenses in the ratio of 5 : 5 : 2. If X saves Rs 3000 out of an income of Rs 18000, then whatwill be the saving (in RS) of Y

A) 4500	B) 9000
C) 6000	D) 7500

Answer & Explanation Answer: B) 9000

Explanation:

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Filed Under: Ratios and Proportions

5 3582

Q:

Kashundra Jones plans to make a lump sum deposit so that she can withdraw $3,000 at the end of each quarter for 10 years. Find the lump sum if the money earns 10% per year compounded quarterly

A) 75263.64	B) 76345
C) 76389	D) 56897

Answer & Explanation Answer: A) 75263.64

Explanation:

A=R[(1+i)^n-1]/i(1+i)^n

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

0 3580

Q:

A seller charges 28% more from a customer as GST on an article. If customer paid Rs. 4544, what is the cost price of the article?

A) Rs. 3550	B) Rs. 2650
C) Rs. 3840	D) Rs. 2450

Answer & Explanation Answer: A) Rs. 3550

Explanation:

Let the cost price of the article be 'P'

Then from given data,

$P + \frac{28 P}{100} = 4544 = > 128 P = 454400 = > P = 3550$

Hence, the cost price of the article = P = Rs. 3550

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

15 3580

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