A student got 280 marks out of 400. Percentage is: MCQ with Answer and Explanation

A student got 280 marks out of 400. Percentage is:

A. 70%

B. 65%

C. 72%

D. 68%

Answer: Option A

(280/400)×100 = 70%.

This question belongs to: Maths Percentage

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

Question #1 Report Error

Price of pen up 15%. By what % reduce consumption so that expenditure rises only 5%?

A. 8.7%

B. 8%

C. 10%

D. 9.09%

Correct Answer: Option A

Explanation:
1.15 × x = 1.05 → x = 1.05/1.15 ≈ 0.91304, reduction = 8.7%.

This question belongs to: Maths Percentage

Question #2 Report Error

A man spends 30% of income on rent, 25% of remainder on food, 20% of remainder on education, saves Rs. 12600. Income:

A. 28000

B. 25000

C. 30000

D. 32000

Correct Answer: Option C

Explanation:
Rent 0.3I, left 0.7I. Food 0.175I, left 0.525I. Education 0.105I, left 0.42I = 12600 → I = 30000.

This question belongs to: Maths Percentage

Question #3 Report Error

A sum of money at simple interest amounts to Rs. 920 in 3 years and to Rs. 1040 in 5 years. Find the principal.

A. Rs. 720

B. Rs. 760

C. Rs. 740

D. Rs. 700

Correct Answer: Option C

Explanation:
SI for 2 years = 1040-920 = 120, SI per year = 60. For 3 years, SI = 180, principal = 920-180 = 740.

This question belongs to: Maths Percentage