6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Suppose n is a positive integer such that $(n^{2} + 48)$ is a perfect square. What is the number of such n?

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: C) 3

Explanation:

Report Error

View Answer Report Error Discuss

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

1 2650

Q:

If 2A = 3B = 8C; What is A : B : C?

A) 8 : 3 : 2	B) 8 : 4 : 3
C) 2 : 3 : 8	D) 12 : 8 : 3

Answer & Explanation Answer: D) 12 : 8 : 3

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 2650

Q:

A bag contains 25 paise, 50 paise and 1 Rs coins. There are 220 coinsinall and the total amount in the bag is Rs. 160. If there arethrice as many 1 Rs. coins as there are 25 paise coins, then what is the number of 50 paise coins?

A) 60	B) 40
C) 120	D) 80

Answer & Explanation Answer: A) 60

Explanation:

Let there be x one rupee coin, y 50 paise coin, z 25 paise coinx + y + z = 220......(i)

Total amount = 160

Now, x + (y/2) + z = 160 ......(ii)

⇒4x + 2y + z = 640

Thrice as many 1 re coin as 25 paise

⇒x = 3z ......(iii)

On solving equation (i), (ii) and (iii), we get

z = 40x= 3* 40 = 120y = 220 –(120 + 40 ) = 60

So, 50 paise coin =60

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 2649

Q:

Amit donated 20% of his income to a school and deposited 20% of the remainder in his bank. If he is having Rs 12800 now, then what is the income (in Rs) of Amit?

A) 18000	B) 20000
C) 24000	D) 32000

Answer & Explanation Answer: B) 20000

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

2 2648

Q:

A trader had 1200 kgs of rice. He sold a part of it at 5% profit and the rest at 11% profit, so that he made a total profit of 7%. How much (in kg) wheat did he sell at 5% profit?

A) 900	B) 600
C) 400	D) 800

Answer & Explanation Answer: D) 800

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 2644

Q:

P and Q can do a project in 6 and 12 days respectively. In how many days can they complete 25% of the project if they work together?

A) 2 days	B) 4 days
C) 1 days	D) 8 days

Answer & Explanation Answer: C) 1 days

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: Bank Exams

1 2644

Q:

What is the value of $\frac{[\{4 \cos (90 - A) \sin^{3} (90 + A)\} - \{4 \sin (90 + A) \cos^{3} (90 - A)\}]}{\cos (\frac{180 + 8 A}{2})}$ ?

A) 1	B) -1
C) 0	D) 2

Answer & Explanation Answer: B) -1

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 2644

Q:

Ramesh marks his article at Rs 6000 and after allowing a discount of 20%, he still earns 60% profit. What is the cost price (in Rs) of the article?

A) 3600	B) 4800
C) 3000	D) 4200

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links