6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of $\sqrt{729} + \sqrt{72.9} + \sqrt{7.29}$

A) 30.5	B) 32.33
C) 35.6	D) 38.23

Answer & Explanation Answer: D) 38.23

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Square Roots and Cube Roots

8 3332

Q:

How many numbers with distinct digits are possible product of whose digits is 18?

A) 12	B) 8
C) 6	D) 4

Answer & Explanation Answer: B) 8

Explanation:

Two digit numbers: The two digits can be 2 and 9: Two possibilities 29 and 92.

Three-digit numbers: The three digits can be 1, 2 and 9 => 3! Or 6 possibilities.

We cannot have three digits as (3, 3, 2) as the digits have to be distinct.

We cannot have numbers with 4 digits or more without repeating the digits.

So, there are totally 8 numbers.

Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: CAT
Job Role: Bank Clerk

7 3328

Q:

By selling 90 pens for Rs 80 a man loses 20%. What should be the selling price (in Rs) of 90 pens for 20% profit?

A) 90	B) 100
C) 110	D) 120

Answer & Explanation Answer: D) 120

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

12 3323

Q:

If 60% discount is offered on the marked price and selling price becomes equal to cost price then what was the % mark up?

A) 100	B) 250
C) 150	D) 40

Answer & Explanation Answer: C) 150

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

12 3312

Q:

A text book of mathematics cost 2 Rs/- more than a text book of literature. If 5 literature books cost 38 Rs/- more than 3 mathematics books, what is the cost of each literature book?

A) 44	B) 22
C) 24	D) 11

Answer & Explanation Answer: B) 22

Explanation:

Let each literature text book cost be Rs. X

Then, cost of mathematics text book = Rs. (X + 2)

ATQ,

5X = 38 + 3(X + 2)

5X = 38 + 3X + 6

2X = 44

X = 22.

Therefore, cost of each literature text book = Rs. X = Rs. 22.

And that of masthematics = X + 2 = Rs. 24.

Report Error

View Answer Report Error Discuss

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

3 3311

Q:

A drum contains 80 litres of ethanol. 20 litres of this liquid is removed and replaced with water. 20 litres of this mixture is again removed and replaced with water. How much water (in litres) is present in this drum now?

A) 45	B) 40
C) 35	D) 44

Answer & Explanation Answer: C) 35

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

0 3302

Q:

You deposit $600 into a 6 month certificate of deposit. After 6 months the balance is $618. Find the simple annual interest rate.

A) 5%	B) 4%
C) 6%	D) 7%

Answer & Explanation Answer: C) 6%

Explanation:

I=prt

Report Error

View Answer Report Error Discuss

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

0 3301

Q:

What is the unit digit of ${(217)}^{413} \times {(819)}^{547} \times {(414)}^{624} \times {(342)}^{812} ?$

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

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links