What is 10% of 200? MCQ with Answer and Explanation

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What is 10% of 200?

A. 30

B. 40

C. 20

D. 10

Answer: Option C

Solution (By JKSSB Mock Tests)

10% of 200 = (10 / 100) * 200 = 20.

This question belongs to: Maths Percentage

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Question #1

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72% passed an exam. Failures = 560. Total examinees:

A. 2500

B. 2200

C. 2000

D. 1800

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Correct Answer: Option C

Explanation:
28% = 560, total = 560/0.28 = 2000.

This question belongs to: Maths Percentage

Question #2

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Length of rectangle increased by 10%, breadth decreased by 10%. Percentage change in area:

A. 1% increase

B. 1% decrease

C. 2% decrease

D. No change

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Correct Answer: Option B

Explanation:
1.1 × 0.9 = 0.99, 1% decrease.

This question belongs to: Maths Percentage

Question #3

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The price of a commodity is increased by x% then decreased by x%. Net decrease is 4%. Find x.

A. 25

B. 10

C. 15

D. 20

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Correct Answer: Option D

Explanation:
(1+x/100)(1-x/100) = 0.96 → 1 - x²/10000 = 0.96 → x² = 400 → x = 20.

This question belongs to: Maths Percentage

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