6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The ratio of the ages of two boys is 3:4. After 3 years, the ratio will be 4:5.The ratio of their ages after 21 years will be

A) 14:17	B) 17:19
C) 11:12	D) 10:11

Answer & Explanation Answer: D) 10:11

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 2378

Q:

Ashok can row upstream at 8 kmph and downstream at 12kmph.What is the speed of the stream ?

A) 6 km/hr	B) 3 km/hr
C) 2 km/hr	D) 4.5 km/hr

Answer & Explanation Answer: C) 2 km/hr

Explanation:

If the speed downstream is a kmph and the speedup stream is b kmph then
Speed of the stream = 1/2 x (a–b) kmph
Speed downstream a = 12kmph
Speed upstream b = 8 kmph
Speed of the stream = 1/2 x (a–b) = 1/2 x (12–8)= 4/2 = 2 kmph

Report Error

View Answer Report Error Discuss

Filed Under: Boats and Streams
Exam Prep: Bank Exams

7 2378

Q:

Mohit buys an old bicycle for Rs 2700 and spends Rs 500 on its repairs. If he sells the bicycle for Rs 3520, then what is his profit percentage?

A) 10	B) 12.5
C) 15	D) 20

Answer & Explanation Answer: A) 10

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

4 2378

Q:

By selling cloth at Rs. 9 per metre , a shopkeeper loses 10% . Find the rate at which it should be sold so as to earn profit of 15%

A) Rs.11.20	B) Rs.11.30
C) Rs.11.40	D) Rs.11.50

Answer & Explanation Answer: D) Rs.11.50

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 2377

Q:

$∆$ XYZ is right angled at Y. If CosecX = 17/15, then what is the value of CotZ?

A) 17/15	B) 8/17
C) 17/8	D) 15/8

Answer & Explanation Answer: D) 15/8

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

2 2376

Q:

In the given figure, MNOP is a square of side 6 cm. What is the value ( in cm ) of radius of circle?

A) 4.25	B) 3.75
C) 3.5	D) 4.55

Answer & Explanation Answer: B) 3.75

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 2375

Q:

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)?

[(7.99)2–(13.001)2+(4.01)3]2=?

A) -1800	B) 1450
C) -1660	D) 1660

Answer & Explanation Answer: D) 1660

Explanation:

[(7.99)^2–(13.001)^2+(4.01)^3]^2= X X= [8^2-13^2+4^3]^2 X= [64-169+64]^2 X= [-41]^2 X=1681

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 2373

Q:

The length of the radius of the circumference of a triangle having sides 9 cm, 12 cm and 15 cm is

A) 6 cm	B) 7.5 cm
C) 4.5 cm	D) 8 cm

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links