If x% of 300 = 45, then x is: MCQ with Answer and Explanation

Question

Share Report Error

If x% of 300 = 45, then x is:

A. 18

B. 12

C. 10

D. 15

Answer: Option D

Solution (By JKSSB Mock Tests)

300 × x/100 = 45 → 3x = 45 → x = 15.

This question belongs to: Maths Percentage

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Percentage Questions

Question #1

Share Report

20% of a number is 30. 60% of that number is:

A. 80

B. 90

C. 100

D. 60

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Number = 30/0.2 = 150; 60% of 150 = 90.

This question belongs to: Maths Percentage

Question #2

Share Report

If 30% of the first number plus 40% of the second number equals 60, and 40% of the first plus 30% of the second equals 66, find the first number.

A. 100

B. 140

C. 120

D. 150

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
0.3x+0.4y=60 → 3x+4y=600; 0.4x+0.3y=66 → 4x+3y=660. Solve: x=120.

This question belongs to: Maths Percentage

Question #3

Share Report

20% of 500 is:

A. 100

B. 80

C. 110

D. 90

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
0.2 × 500 = 100.

This question belongs to: Maths Percentage

Explore All Percentage MCQs