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. 156

C. 160

D. 140

Answer: Option B

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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A machine depreciates 10% per year. Its value after 1 year if purchased for Rs. 50,000 is:

A. 47,000

B. 45,000

C. 44,000

D. 46,000

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Correct Answer: Option B

Explanation:
Value = 50,000 × 0.9 = 45,000.

This question belongs to: Maths Percentage

Question #2

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Two numbers are 25% and 40% more than a third number. Their ratio is:

A. 5:6

B. 5:7

C. 15:17

D. 25:28

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Correct Answer: Option D

Explanation:
Third = 100, first = 125, second = 140, ratio = 125:140 = 25:28.

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Question #3

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If A is 25% less than B, then B is what percentage more than A?

A. 33.33%

B. 25%

C. 20%

D. 50%

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Correct Answer: Option A

Explanation:
Formula: (25 / 75) * 100 = (1 / 3) * 100 = 33.33%.

This question belongs to: Maths Percentage

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