What is 12.5% of 800? MCQ with Answer and Explanation

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What is 12.5% of 800?

A. 120

B. 150

C. 80

D. 100

Answer: Option D

Solution (By JKSSB Mock Tests)

12.5% is equivalent to the fraction 1/8. (1/8) * 800 = 100.

This question belongs to: Maths Percentage

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Question #1

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What is 33.33% of 99?

A. 11

B. 33

C. 66

D. 99

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Correct Answer: Option B

Explanation:
33.33% is equivalent to the fraction 1/3. (1/3) * 99 = 33.

This question belongs to: Maths Percentage

Question #2

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A number increased by 25% then by 20% becomes 180. Original number:

A. 100

B. 130

C. 110

D. 120

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Correct Answer: Option D

Explanation:
x × 1.25 × 1.2 = 1.5x = 180 → x = 120.

This question belongs to: Maths Percentage

Question #3

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A person measured a line as 5.05 cm instead of its true length of 5.00 cm. What is the percentage error?

A. 0.5%

B. 1.5%

C. 1%

D. 2%

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Correct Answer: Option C

Explanation:
Error = 5.05 - 5.00 = 0.05. % Error = (0.05 / 5.00) * 100 = 1%.

This question belongs to: Maths Percentage

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