A student has to secure 40% marks to pass. He gets 150 marks and fails by 10 marks. What are the maximum marks? MCQ with Answer and Explanation

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A student has to secure 40% marks to pass. He gets 150 marks and fails by 10 marks. What are the maximum marks?

A. 300

B. 450

C. 350

D. 400

Answer: Option D

Solution (By JKSSB Mock Tests)

Passing marks = 150 + 10 = 160. 40% of Maximum = 160. Maximum = 160 * (100 / 40) = 400.

This question belongs to: Maths Percentage

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Question #1

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A number increased by 30% then decreased by 30% results in net change of:

A. 9% increase

B. 0%

C. 6% decrease

D. 9% decrease

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Correct Answer: Option D

Explanation:
1.3 × 0.7 = 0.91, 9% decrease.

This question belongs to: Maths Percentage

Question #2

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

A. 155

B. 150

C. 145

D. 160

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Correct Answer: Option A

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

This question belongs to: Maths Percentage

Question #3

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80 L mixture, 20% water. Water added to make 50%:

A. 48 L

B. 44 L

C. 40 L

D. 52 L

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Correct Answer: Option A

Explanation:
Milk=64 L, water=16 L. For milk 50%, total = 128 L, add 48 L water.

This question belongs to: Maths Percentage

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