6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

A) 3072	B) 3500
C) 4608	D) 3240

Answer & Explanation Answer: A) 3072

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

3 1244

Q:

Two numbers are in the ratio 3:5. If 6 is added to both of them, the ratio becomes 2:3. The numbers are

A) 21 and 35	B) 30 and 50
C) 24 and 40	D) 18 and 30

Answer & Explanation Answer: D) 18 and 30

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 1244

Q:

$6 \frac{1}{4} % of 1600 + 12 \frac{1}{2} % of 800$ is equal to

A) 100	B) 200
C) 300	D) 400

Answer & Explanation Answer: B) 200

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

1 1244

Q:

Out of the 60 students of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

A) 8	B) 9
C) 7	D) 6

Answer & Explanation Answer: B) 9

Explanation:

Number of students who took only Mathematics n(m) = 29
Number of students who took only biology n(b) = 32
Total number of students n(t) = 60
Total number of students of both mathematics and biology n(m b) = 60 - 8 = 52
Total number of students who took both = 32 + 29 - 52 = 9

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

0 1244

Q:

An angle is smaller than its supplementary angle by 70°. What is the measure of the angle?

A) 125°	B) 55°
C) 80°	D) 10°

Answer & Explanation Answer: B) 55°

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

1 1244

Q:

If $a^{2} + b^{2} + c^{2} = 14$ and $a + b + c = 6$ , then the value of $(a b + b c + c a)$ is,

A) 11	B) 12
C) 13	D) 14

Answer & Explanation Answer: A) 11

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1243

Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 2197	B) 3375
C) 4099	D) 2744

Answer & Explanation Answer: C) 4099

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 1243

Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Chirp	B) Hiss
C) Roar	D) Nest

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links