A man's salary was reduced by 50% and then increased by 50%. Find the net change in his salary. MCQ with Answer and Explanation

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A man's salary was reduced by 50% and then increased by 50%. Find the net change in his salary.

A. 30% decrease

B. 40% decrease

C. 25% decrease

D. 15% decrease

Answer: Option C

Solution (By JKSSB Mock Tests)

0.5 × 1.5 = 0.75, 25% decrease.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

5% of a number is 10. What is 20% of the same number?

A. 30

B. 50

C. 40

D. 60

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Correct Answer: Option C

Explanation:
Number = 10/0.05 = 200. 20% of 200 = 40.

This question belongs to: Maths Percentage

Question #2

In an election, 20% of the votes were invalid. A got 55% of valid votes and won by 2000 votes. Total votes polled:

A. 22000

B. 28000

C. 25000

D. 24000

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Correct Answer: Option C

Explanation:
Valid votes V, margin 0.1V=2000 → V=20000. Total T, 0.8T=20000 → T=25000.

This question belongs to: Maths Percentage

Question #3

The present value of a machine is 7,290. If it depreciates by 10% yearly, what was its value 3 years ago?

A. 9000

B. 11000

C. 10000

D. 12000

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Correct Answer: Option C

Explanation:
V_past = 7290 / (0.90)^3 = 7290 / 0.729 = 10000.

This question belongs to: Maths Percentage

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