What percent of 50 is 15? MCQ with Answer and Explanation

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What percent of 50 is 15?

A. 30%

B. 35%

C. 40%

D. 25%

Answer: Option A

Solution (By JKSSB Mock Tests)

(15/50) × 100 = 30%.

This question belongs to: Maths Percentage

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Question #1

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Cost price Rs. 600, marked up 50%, then discount 20%. Profit percent:

A. 20%

B. 25%

C. 15%

D. 18%

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Correct Answer: Option A

Explanation:
MP = 600×1.5 = 900, SP = 900×0.8 = 720, profit = 120, profit% = (120/600)×100 = 20%.

This question belongs to: Maths Percentage

Question #2

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A man spends 70% of his salary and saves Rs. 6000. His salary is:

A. 20000

B. 15000

C. 18000

D. 22000

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Correct Answer: Option A

Explanation:
Savings = 30% = 6000 → salary = 6000/0.3 = 20000.

This question belongs to: Maths Percentage

Question #3

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A student multiplied a number by 3/4 instead of 4/3. What is the percentage error?

A. 45%

B. 43.75%

C. 50%

D. 40%

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Correct Answer: Option B

Explanation:
True = 4/3x. False = 3/4x. Error = (4/3 - 3/4)x = (7/12)x. % Error = ((7/12) / (4/3)) * 100 = (21/48) * 100 = 43.75%.

This question belongs to: Maths Percentage

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