A student scored 20% marks and failed by 36 marks. Another student scored 30% marks and got 24 marks more than the passing marks. Find the passing marks. MCQ with Answer and Explanation

Question

A student scored 20% marks and failed by 36 marks. Another student scored 30% marks and got 24 marks more than the passing marks. Find the passing marks.

A. 180

B. 160

C. 156

D. 140

Answer: Option C

Solution (By JKSSB Mock Tests)

0.2M + 36 = 0.3M - 24 → 0.1M = 60 → M = 600. Passing marks = 0.2×600+36 = 156.

This question belongs to: Maths Percentage

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Question #1

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If the price of sugar rises by 25%, by what percent must consumption be reduced so that expenditure remains the same?

A. 25%

B. 18%

C. 20%

D. 15%

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Correct Answer: Option C

Explanation:
Reduction = (25/125)×100 = 20%.

This question belongs to: Maths Percentage

Question #2

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If x is 50% of y, what percentage of x is y?

A. 100%

B. 250%

C. 200%

D. 150%

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Correct Answer: Option C

Explanation:
x = 0.5y. Therefore, y = x / 0.5 = 2x. Thus, y is 200% of x.

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Question #3

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The price of an article is reduced by 20% and then increased by 30%. Find the net change in the price.

A. 4% decrease

B. No change

C. 10% increase

D. 4% increase

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Correct Answer: Option D

Explanation:
0.8 × 1.3 = 1.04, 4% increase.

This question belongs to: Maths Percentage

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