A number is such that 25% of it is 5 more than 20% of it. Find the number. MCQ with Answer and Explanation

A number is such that 25% of it is 5 more than 20% of it. Find the number.

A. 100

B. 80

C. 120

D. 90

Answer: Option A

0.25x = 0.2x + 5 → 0.05x = 5 → x = 100.

This question belongs to: Maths Percentage

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Question #1 Report Error

Price of a commodity falls by 20%. To keep expenditure constant, consumption must increase by:

A. 30%

B. 20%

C. 15%

D. 25%

Correct Answer: Option D

Explanation:
New price 0.8, consumption multiplier needed = 1/0.8 = 1.25, increase 25%.

This question belongs to: Maths Percentage

Question #2 Report Error

What is 30% of 400 minus 15% of 200?

A. 100

B. 70

C. 80

D. 90

Correct Answer: Option D

Explanation:
30% of 400 = 120, 15% of 200 = 30, difference = 90.

This question belongs to: Maths Percentage

Question #3 Report Error

Cost of 20 items = SP of 15 items. Profit %:

A. 33.33%

B. 40%

C. 30%

D. 25%

Correct Answer: Option A

Explanation:
Profit = (5/15)×100 = 33.33%.

This question belongs to: Maths Percentage