A student answered 22 out of 30 correctly. Percentage correct: MCQ with Answer and Explanation

A student answered 22 out of 30 correctly. Percentage correct:

A. 72%

B. 75%

C. 70%

D. 73.33%

Answer: Option D

(22/30)×100 ≈ 73.33%.

This question belongs to: Maths Percentage

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Question #1 Report Error

20% of 500 is:

A. 100

B. 90

C. 80

D. 110

Correct Answer: Option A

Explanation:
0.2 × 500 = 100.

This question belongs to: Maths Percentage

Question #2 Report Error

Length +10%, breadth -10%. Change in area:

A. 1% decrease

B. 2% decrease

C. 1% increase

D. 0%

Correct Answer: Option A

Explanation:
1.1×0.9 = 0.99, 1% decrease.

This question belongs to: Maths Percentage

Question #3 Report Error

What is 5% of 300?

A. 10

B. 15

C. 25

D. 20

Correct Answer: Option B

Explanation:
5% of 300 = (5 / 100) * 300 = 15.

This question belongs to: Maths Percentage