A man's salary increased from Rs. 8000 to Rs. 10000. Percentage increase is: MCQ with Answer and Explanation

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A man's salary increased from Rs. 8000 to Rs. 10000. Percentage increase is:

A. 30%

B. 20%

C. 15%

D. 25%

Answer: Option D

Solution (By JKSSB Mock Tests)

Increase = 2000, % = (2000/8000)×100 = 25%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

A student multiplied a number by 2/3 instead of 3/2. What is the percentage error?

A. 50%

B. 55.55%

C. 44.44%

D. 66.66%

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Correct Answer: Option B

Explanation:
True = 3/2x. False = 2/3x. Error = (3/2 - 2/3)x = (5/6)x. % Error = ((5/6) / (3/2)) * 100 = (10/18) * 100 = 55.55%.

This question belongs to: Maths Percentage

Question #2

In a mixture of 120 litres, the ratio of milk and water is 2:1. How much water is added to change the ratio to 1:2?

A. 120 L

B. 100 L

C. 130 L

D. 110 L

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Correct Answer: Option A

Explanation:
Milk=80, water=40. For 1:2, water=160, add 120 L.

This question belongs to: Maths Percentage

Question #3

If the numerator of a fraction is increased by 50% and the denominator is decreased by 25%, it becomes 5/8. Find the original fraction.

A. 5/16

B. 5/12

C. 7/16

D. 3/8

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Correct Answer: Option A

Explanation:
(1.5N)/(0.75D) = 2N/D = 5/8 → N/D = 5/16.

This question belongs to: Maths Percentage

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