A candidate scored 30% marks and failed by 60 marks. Another candidate scored 50% marks and got 60 marks above the passing marks. Find the maximum marks. MCQ with Answer and Explanation

Question

A candidate scored 30% marks and failed by 60 marks. Another candidate scored 50% marks and got 60 marks above the passing marks. Find the maximum marks.

A. 500

B. 550

C. 650

D. 600

Answer: Option D

Solution (By JKSSB Mock Tests)

0.3M + 60 = 0.5M - 60 → 0.2M = 120 → M = 600. Passing marks = 0.3×600+60 = 240.

This question belongs to: Maths Percentage

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Question #1

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If speed decreases by 20%, by what percentage will the time required to cover the same distance increase?

A. 33.33%

B. 30%

C. 20%

D. 25%

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Correct Answer: Option D

Explanation:
Time increase = (20 / 80) * 100 = 25%.

This question belongs to: Maths Percentage

Question #2

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Price reduced 25%, enables buying 3 kg more for Rs. 90. Reduced price/kg:

A. Rs. 7

B. Rs. 6

C. Rs. 7.5

D. Rs. 8

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Correct Answer: Option C

Explanation:
Original price x, xy=90. New 0.75x(y+3)=90 → 0.75×90 + 2.25x=90 → x=10, reduced 7.5.

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Question #3

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72% passed an exam. Failures = 560. Total examinees:

A. 2200

B. 2000

C. 2500

D. 1800

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Correct Answer: Option B

Explanation:
28% = 560, total = 560/0.28 = 2000.

This question belongs to: Maths Percentage

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