Student A gets 20% marks and fails by 30 marks. Student B gets 32% marks and gets 42 marks more than passing. Find the total marks. MCQ with Answer and Explanation

Question

Student A gets 20% marks and fails by 30 marks. Student B gets 32% marks and gets 42 marks more than passing. Find the total marks.

A. 600

B. 500

C. 800

D. 700

Answer: Option A

Solution (By JKSSB Mock Tests)

Difference in percentage = 32% - 20% = 12%. Difference in marks = 42 + 30 = 72. 12% of Total = 72. Total = 600.

This question belongs to: Maths Percentage

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Question #1

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If the price of wheat increases by 30%, by how much percent must consumption be reduced to keep expenditure constant?

A. 25%

B. 23.08%

C. 20%

D. 22.5%

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Correct Answer: Option B

Explanation:
Reduction % = (30/130)×100 ≈ 23.08%.

This question belongs to: Maths Percentage

Question #2

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A number divided by 5, quotient increased by 20% then decreased by 20% gives 480. Number:

A. 2200

B. 2500

C. 2400

D. 2000

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Correct Answer: Option B

Explanation:
(N/5)×1.2×0.8=480 → (N/5)×0.96=480 → N/5=500 → N=2500.

This question belongs to: Maths Percentage

Question #3

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A trader bought articles for Rs. 1200. Ten were damaged, rest sold at Rs. 2 more than CP each, total profit Rs. 60. Number of articles:

A. 110

B. 100

C. 90

D. 80

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Correct Answer: Option B

Explanation:
Let n articles, CP each = 1200/n. Sold (n-10) at (1200/n + 2). Total SP = (n-10)(1200/n +2) = 1260. Solving gives n=100.

This question belongs to: Maths Percentage

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