What percent of 80 is 24? MCQ with Answer and Explanation

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What percent of 80 is 24?

A. 40%

B. 25%

C. 30%

D. 35%

Answer: Option C

Solution (By JKSSB Mock Tests)

(24/80) × 100 = 30%.

This question belongs to: Maths Percentage

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Question #1

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A shopkeeper sells an article at 10% profit. Had he bought it at 20% less and sold it for Rs. 12 less, he would have gained 25%. The cost price is:

A. Rs. 120

B. Rs. 100

C. Rs. 140

D. Rs. 150

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Correct Answer: Option A

Explanation:
CP=x, SP=1.1x. New CP=0.8x, new SP=1.1x-12 = x → 0.1x=12 → x=120.

This question belongs to: Maths Percentage

Question #2

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A number is increased by 50% and then decreased by 50%. The net change is:

A. No change

B. 50% decrease

C. 25% decrease

D. 25% increase

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Correct Answer: Option C

Explanation:
1.5 × 0.5 = 0.75, 25% decrease.

This question belongs to: Maths Percentage

Question #3

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Ratio 2:5, second part expressed as percentage of total is:

A. 70%

B. 65.5%

C. 60%

D. 71.43%

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Correct Answer: Option D

Explanation:
Second part = 5/(2+5) × 100 ≈ 71.43%.

This question belongs to: Maths Percentage

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