6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A missile travels at 1422 km/h. How many metres does it travel in one second?

A) 395 metres	B) 400 metres
C) 364 metres	D) 319 metres

Answer & Explanation Answer: A) 395 metres

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

1 3005

Q:

The ratio of present ages of P and Q is 8 : 5. After 4 years their ages will be in the ratio 4 : 3 respectively. What will be the ratio of P’s age after 7 years from now and Q’s age now?

A) 3:2	B) 1:2
C) 2:1	D) 3:1

Answer & Explanation Answer: D) 3:1

Explanation:

Let the present age of P be 8x and Q be 5x After 4 years, P's age = 8x + 4 and Q's age = 5x + 4 8x+4/5x+4 = 4/3 24x+12 = 20x+16 => 4x = 4=> x = 1 Present age of P = 8 years Present age of Q = 5 years Required ratio = 15 : 5 = 3 : 1

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Filed Under: Problems on Ages

1 3004

Q:

Two pens are bought at the rate of Rs 20 each. Shopkeeper sells one at the profit of 25% and other at the loss of 25%. What will be the total profit or loss in the whole transaction?

A) No profit/loss	B) Profit of Rs 1
C) Loss of Rs 1	D) Loss of Rs 2

Answer & Explanation Answer: A) No profit/loss

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams , CAT

1 3003

Q:

$\frac{{(798 + 579)}^{2} - {(798 - 579)}^{2}}{798 x 579} =$

A) 2	B) 6
C) 4	D) 8

Answer & Explanation Answer: C) 4

Explanation:

⇒ 4(798 X 579) / (798 X 579)
⇒ 4

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Filed Under: Simplification
Exam Prep: Bank Exams

0 3003

Q:

In how many different ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together?

A) 112420	B) 85120
C) 40320	D) 1209600

Answer & Explanation Answer: D) 1209600

Explanation:

Given word is TRANSFORMER.

Number of letters in the given word = 11 (3 R's)

Required, number of ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together is

10! x 2!/3!

= 3628800 x 2/6

= 1209600

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

7 3002

Q:

The difference between two numbers is 3355. When the larger number is divided by the smaller one, the quotient is 6 and the remainder is 15. The smaller number and larger number respectively ?

A) 546, 3901	B) 415, 3770
C) 668, 4023	D) 404, 3759

Answer & Explanation Answer: C) 668, 4023

Explanation:

Let the smaller number be k.
Then, larger number = (3355 + k)
Therefore 3355 + k = (6k + 15)
‹=› 5k = 3340
‹=› k = 668.

Therefore, the smaller number k = 668 and now the larger number = 3355+668 = 4023.

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , Project Manager , Software Architect

4 3000

Q:

Find the compound amount if $2900 is deposited at 5% interest for 10 years if interest is compounded daily

A) 4781.13	B) 5781
C) 3456	D) 4567

Answer & Explanation Answer: A) 4781.13

Explanation:

M=P(1+i/365)^365n

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

0 2998

Q:

Priya got 9 marks more in History than what she got in Geography. Her history marks are 56% of the sum of her History and Geography marks. What are her Geography marks?

A) 42	B) 65
C) 53	D) 33

Quantitative Aptitude - Arithmetic Ability Questions

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