6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

There were 24 studentsina class. One of them, who was 18 years old, left the class and his place was filled up by a new comer.Ifthe average of the class was thereby lowered by 1 month, the age of new comer is-

A) 14 years	B) 15 years
C) 16 years	D) 17years

Answer & Explanation Answer: C) 16 years

Explanation:

Let the age of new comer be x

Avg age decrease by 1/12 year ⇒24 X 1/12 = 18 –x

⇒x=16 years

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Ages
Exam Prep: Bank Exams

1 1679

Q:

The value of $(1 + \tan^{2} \emptyset) (1 - \sin^{2} \emptyset)$ is

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

Answer & Explanation Answer: B) 1

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Quantitative Aptitude - Arithmetic Ability

0 1679

Q:

A can do a work in 16 days and B in 20 days. If they work on it together for 8 days, then what fraction of work is left?

A) 1/3	B) 1/6
C) 2/9	D) 1/10

Answer & Explanation Answer: D) 1/10

Explanation:

Report Error

View Answer Report Error Discuss

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

0 1679

Q:

One diagonal of a rhombus is half the other. If the length of the side of the rhombus is 20 cm, what is the area of the rhombus?

A) 320 sq cm	B) 160 sq cm
C) 240 sq cm	D) 360 sq cm

Answer & Explanation Answer: A) 320 sq cm

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Average
Exam Prep: Bank Exams

0 1679

Q:

The difference between the place values of 9 and 5 in the number 428693745 is

A) 90995	B) 99995
C) 89995	D) 8995

Answer & Explanation Answer: C) 89995

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

1 1679

Q:

Which one of the following is the minimum value of the sum of two integers whose product is 24?

A) 25	B) 11
C) 8	D) 10

Answer & Explanation Answer: D) 10

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1678

Q:

The value of $\tan 80 ° \tan 10 ° + \sin 270 ° + \sin 20^{\circ}$

A) 0	B) 1
C) 2	D) 32

Answer & Explanation Answer: C) 2

Explanation:

Report Error

View Answer Report Error Discuss

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

0 1678

Q:

In the following question, select the odd number group from the given alternatives.

A) (143, 64)	B) (232, 49)
C) (719, 289)	D) (462, 169)

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links