Marked 30% above CP, discount 20%. Profit %: MCQ with Answer and Explanation

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Marked 30% above CP, discount 20%. Profit %:

A. 8%

B. 5%

C. 4%

D. 6%

Answer: Option C

Solution (By JKSSB Mock Tests)

CP=100, MP=130, SP=104, profit 4%.

This question belongs to: Maths Percentage

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Question #1

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If the compound interest on a sum for 2 years at 10% per annum is Rs. 525, find the sum.

A. Rs. 2500

B. Rs. 2000

C. Rs. 2200

D. Rs. 2400

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Correct Answer: Option A

Explanation:
CI = P[(1.1)² - 1] = 0.21P = 525 → P = 2500.

This question belongs to: Maths Percentage

Question #2

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Price of a commodity falls by 20%. To keep expenditure constant, consumption must increase by:

A. 15%

B. 30%

C. 25%

D. 20%

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Correct Answer: Option C

Explanation:
New price 0.8, consumption multiplier needed = 1/0.8 = 1.25, increase 25%.

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Question #3

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A mixture contains 25% alcohol. In 80 litres, amount of alcohol is:

A. 22 L

B. 18 L

C. 20 L

D. 16 L

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Correct Answer: Option C

Explanation:
25% of 80 = 20 litres.

This question belongs to: Maths Percentage

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