One student scores 35% fails by 15, another 45% gets 25 more than pass. Pass marks: MCQ with Answer and Explanation

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One student scores 35% fails by 15, another 45% gets 25 more than pass. Pass marks:

A. 150

B. 155

C. 160

D. 145

Answer: Option B

Solution (By JKSSB Mock Tests)

0.35M+15=0.45M-25 → 0.1M=40 → M=400, pass=0.35×400+15=155.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

Salary increased by 20% then decreased by 20%. Net effect:

A. 2% decrease

B. 4% increase

C. 4% decrease

D. No change

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Correct Answer: Option C

Explanation:
1.2 × 0.8 = 0.96, 4% decrease.

This question belongs to: Maths Percentage

Question #2

40% of a number exceeds 25% of the same number by 30. What is 75% of the number?

A. 170

B. 160

C. 150

D. 180

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Correct Answer: Option C

Explanation:
0.4x - 0.25x = 0.15x = 30 → x = 200. 75% of 200 = 150.

This question belongs to: Maths Percentage

Question #3

If the price of tea increases by 20%, by what percentage must consumption be reduced to keep expenditure constant?

A. 20%

B. 16.67%

C. 15%

D. 25%

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Correct Answer: Option B

Explanation:
Required reduction = (20 / 120) * 100 = 100 / 6 = 16.67%.

This question belongs to: Maths Percentage

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