6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

At 24% discount the selling price of a washing machine is Rs 38000, what is the selling price if the discount is 40%?

A) Rs 18000	B) Rs 30000
C) Rs 22320	D) Rs 31920

Answer & Explanation Answer: B) Rs 30000

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

3 1762

Q:

The sum of 6xy(2x - 4z) , 3yz(2x - 3z) and $4 xz (3 y - 2 y^{2})$ is

A) 12x2y - 6xyz - 9yz2 + 8xy2z	B) 12x2y - 6xyz + 9yz2 - 8xy2z
C) 12x2y - 6xyz - 9yz2 - 8xy2z	D) 12x2y + 6xyz - 9yz2 - 8xy2z

Answer & Explanation Answer: C) 12x2y - 6xyz - 9yz2 - 8xy2z

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

2 1762

Q:

If $x = 3^{\frac{1}{3}} - 3^{\frac{- 1}{3}}, then 3 x^{3} + 9 x$ value is

A) 8	B) 9
C) 27	D) 16

Answer & Explanation Answer: A) 8

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1762

Q:

What is the simplified value of cosec 2A + cot 2A?

A) sec A	B) sec (A/2)
C) cot A	D) cot2 A

Answer & Explanation Answer: C) cot A

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1762

Q:

The third proportional of two numbers 4 and 20 is

A) 36	B) 40
C) 100	D) 60

Answer & Explanation Answer: C) 100

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 1761

Q:

If $x^{2} + y^{2} + z^{2} = xy + yz + zx$ , then what is the value of (7x + 3y – 5z)/5x?

A) 0	B) 1
C) 5	D) 33/5

Answer & Explanation Answer: B) 1

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 1761

Q:

If tan x = 1, 0 < x < 90, then what is the value of 2 sin x cos x?

A) 1/2	B) 1
C) √3/2	D) √3

Answer & Explanation Answer: B) 1

Explanation:

tan x = 1

then x = 45

2sin x. cos x = 2× 1/√2 x 1/√2 = 1

an x = 1

then

x = 45

o

2sin x. cos x =

2

×

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 1761

Q:

If 1/3(12x/5 - 1/2) + 6/5 = 7/6, then what is the value of x?

A) 1/6	B) -1/6
C) 1/5	D) -1/5

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links