By what percent is 120 less than 150? MCQ with Answer and Explanation

By what percent is 120 less than 150?

A. 18%

B. 25%

C. 20%

D. 15%

Answer: Option C

Difference = 30, % = (30/150)×100 = 20%.

This question belongs to: Maths Percentage

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Question #1 Report Error

A student needs 40% to pass. He gets 60 marks and fails by 20 marks. Maximum marks:

A. 220

B. 200

C. 180

D. 240

Correct Answer: Option B

Explanation:
Pass = 80, 40% M = 80 → M = 200.

This question belongs to: Maths Percentage

Question #2 Report Error

A man buys an article for Rs. 80 and marks it at Rs. 120. He gives a discount of 10% on the marked price. What is his profit percent?

A. 32%

B. 33%

C. 30%

D. 35%

Correct Answer: Option D

Explanation:
SP = 120×0.9=108. Profit = 28, % = (28/80)×100 = 35%.

This question belongs to: Maths Percentage

Question #3 Report Error

If A's salary is 20% more than B's, by what percent is B's salary less than A's?

A. 15%

B. 18%

C. 20%

D. 16.67%

Correct Answer: Option D

Explanation:
B less % = (20/120)×100 = 16.67%.

This question belongs to: Maths Percentage