A student scored 45 marks out of 60. What is his percentage? MCQ with Answer and Explanation

A student scored 45 marks out of 60. What is his percentage?

A. 75%

B. 72%

C. 80%

D. 70%

Answer: Option A

(45/60) × 100 = 75%.

This question belongs to: Maths Percentage

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Question #1 Report Error

90 L mixture, 15% water. Water added to make 40%:

A. 33.75 L

B. 37.5 L

C. 40 L

D. 36 L

Correct Answer: Option B

Explanation:
Water=13.5 L, milk=76.5 L. For milk 60%, total = 76.5/0.6 = 127.5 L, add 37.5 L.

This question belongs to: Maths Percentage

Question #2 Report Error

8% of a number is 64. The number is:

A. 600

B. 700

C. 900

D. 800

Correct Answer: Option D

Explanation:
0.08x = 64 → x = 800.

This question belongs to: Maths Percentage

Question #3 Report Error

15% of 40 greater than 25% of a number by 2. The number:

A. 18

B. 14

C. 16

D. 12

Correct Answer: Option C

Explanation:
6 = 0.25x + 2 → 0.25x = 4 → x = 16.

This question belongs to: Maths Percentage