Student A gets 30% marks and fails by 15 marks. Student B gets 40% marks and gets 15 marks more than passing. What is the total marks? MCQ with Answer and Explanation

Question

Student A gets 30% marks and fails by 15 marks. Student B gets 40% marks and gets 15 marks more than passing. What is the total marks?

A. 400

B. 300

C. 350

D. 250

Answer: Option B

Solution (By JKSSB Mock Tests)

Difference in percentage = 40% - 30% = 10%. Difference in marks = 15 - (-15) = 30. 10% of Maximum = 30. Maximum = 300.

This question belongs to: Maths Percentage

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Question #1

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Spends 30% on food, 20% rent, 15% clothing, saves Rs. 5250. Income:

A. 15000

B. 12000

C. 16000

D. 14000

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Correct Answer: Option A

Explanation:
Spends 65%, saves 35% = 5250, income = 5250/0.35 = 15000.

This question belongs to: Maths Percentage

Question #2

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If the price of a pen is increased by 25%, its new price is Rs. 125. Original price was:

A. Rs. 90

B. Rs. 95

C. Rs. 100

D. Rs. 105

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Correct Answer: Option C

Explanation:
1.25P = 125 → P = 100.

This question belongs to: Maths Percentage

Question #3

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Side of square increased 15%. % increase in area:

A. 40%

B. 32.25%

C. 30%

D. 35%

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Correct Answer: Option B

Explanation:
Area multiplier = 1.15² = 1.3225, increase 32.25%.

This question belongs to: Maths Percentage

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