Original salary 30000, increased 15% then decreased 15%. Final salary: MCQ with Answer and Explanation

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Original salary 30000, increased 15% then decreased 15%. Final salary:

A. 29250

B. 29325

C. 29175

D. 30000

Answer: Option B

Solution (By JKSSB Mock Tests)

30000×1.15×0.85 = 30000×0.9775 = 29325.

This question belongs to: Maths Percentage

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Question #1

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

A. 25000

B. 22000

C. 24000

D. 28000

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Correct Answer: Option A

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

This question belongs to: Maths Percentage

Question #2

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A number increased by 15% is 138. The number is:

A. 125

B. 120

C. 110

D. 115

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Correct Answer: Option B

Explanation:
1.15x = 138 → x = 120.

This question belongs to: Maths Percentage

Question #3

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Number 60% more than another. Smaller is what % less than larger?

A. 37.5%

B. 33.33%

C. 42.5%

D. 40%

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Correct Answer: Option A

Explanation:
Small=100, large=160, less % = (60/160)×100 = 37.5%.

This question belongs to: Maths Percentage

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