A student scored 30% marks and failed by 45 marks. Another scored 42% marks and got 45 more than pass. Pass marks: MCQ with Answer and Explanation

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A student scored 30% marks and failed by 45 marks. Another scored 42% marks and got 45 more than pass. Pass marks:

A. 250

B. 270

C. 300

D. 225

Answer: Option B

Solution (By JKSSB Mock Tests)

0.3M + 45 = 0.42M - 45 → 0.12M = 90 → M=750. Pass = 0.3×750+45 = 270.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

10% of 300 + 20% of 150 equals:

A. 60

B. 50

C. 55

D. 65

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Correct Answer: Option A

Explanation:
10% of 300 = 30, 20% of 150 = 30, sum = 60.

This question belongs to: Maths Percentage

Question #2

If 30% of the first number plus 40% of the second number equals 60, and 40% of the first plus 30% of the second equals 66, find the first number.

A. 120

B. 140

C. 100

D. 150

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Correct Answer: Option A

Explanation:
0.3x+0.4y=60 → 3x+4y=600; 0.4x+0.3y=66 → 4x+3y=660. Solve: x=120.

This question belongs to: Maths Percentage

Question #3

Two numbers are 25% and 45% more than a third. Ratio of the two numbers:

A. 25:30

B. 25:29

C. 5:7

D. 29:35

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Correct Answer: Option B

Explanation:
Third=100, first=125, second=145, ratio=125:145=25:29.

This question belongs to: Maths Percentage

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