A student scored 35% marks and failed by 30 marks. Another scored 45% marks and got 30 marks more than passing. Pass marks are: MCQ with Answer and Explanation

Question

A student scored 35% marks and failed by 30 marks. Another scored 45% marks and got 30 marks more than passing. Pass marks are:

A. 240

B. 250

C. 225

D. 210

Answer: Option A

Solution (By JKSSB Mock Tests)

0.35M+30 = 0.45M-30 → 0.1M=60 → M=600. Pass = 0.35×600+30 = 240.

This question belongs to: Maths Percentage

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Question #1

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8% of a number is 16. What is 25% of the same number?

A. 45

B. 55

C. 50

D. 40

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Correct Answer: Option C

Explanation:
Number = 16/0.08 = 200, 25% of 200 = 50.

This question belongs to: Maths Percentage

Question #2

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A's salary increased by 20% then decreased by 20%. Original salary 5000, final salary:

A. 4800

B. 5200

C. 4600

D. 5000

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Correct Answer: Option A

Explanation:
5000 × 1.2 × 0.8 = 4800.

This question belongs to: Maths Percentage

Question #3

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Ratio of two numbers 5:7. First increased 10%, second 20%. New ratio:

A. 13:17

B. 55:84

C. 11:14

D. 5:7

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Correct Answer: Option B

Explanation:
First = 5.5, second = 8.4, ratio = 55:84.

This question belongs to: Maths Percentage

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