6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Which of the following numbers will have an irrational square root?

A) 1024	B) 2401
C) 4096	D) 2048

Answer & Explanation Answer: D) 2048

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

2 1637

Q:

The mean of marks secured by 55 students in division A of class X is 58, 45 students of division B is 54 and that of 75 students of division C is 52. Find the mean of marks of the students of three divisions of Class X.

A) 53.7	B) 54.4
C) 53	D) 55.8

Answer & Explanation Answer: B) 54.4

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Average
Exam Prep: Bank Exams

0 1636

Q:

Ranjith can complete a task in 25 days while Anji can finish it in 20 days. They work together on the task for 5 days and then Ranjith leaves. In how many days will Anji finish the remaining work?

A) 15 days	B) 10 days
C) 11 days	D) 9 days

Answer & Explanation Answer: C) 11 days

Explanation:

Lcm of 25 and 20 is 100. So total work = 100 units
Ranjith can do 4 units per day while anju can do 5 units per day
They together complete 5 days of work i.e 9 x 5 = 45 units
The remaining 55 units of work is done by anju in 55/5 days (or) 11 days

Report Error

View Answer Report Error Discuss

Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT

2 1636

Q:

What least value must be assigned to '*' so that the numbers 451 * 603 is exactly divisible by 9?

A) 7	B) 8
C) 5	D) 9

Answer & Explanation Answer: B) 8

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1636

Q:

In a school there are 1500 students, 44% of them are girls. Monthly fee of each boy is 540 and fee of each girl is 25% less than that of a boy. The sum of fees of boys & girl is

A) Rs. 720600	B) Rs. 720800
C) Rs. 720900	D) Rs. 721000

Answer & Explanation Answer: C) Rs. 720900

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1636

Q:

If angles of measure (5y + 62°) and (22° + y) are supplementary , then value of y is

A) 16°	B) 32°
C) 8°	D) 1°

Answer & Explanation Answer: A) 16°

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1636

Q:

What is the value of $\sin^{2} 25 ° + \sin^{2} 65 °$ ?

A) 0	B) 1
C) 2	D) 4

Answer & Explanation Answer: B) 1

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1635

Q:

9997 x 10003 = ?

A) 9999991	B) 99999911
C) 99999991	D) 9999911

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links