Wage decreased 20% then increased 20%. Loss %: MCQ with Answer and Explanation

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Wage decreased 20% then increased 20%. Loss %:

A. 5%

B. 4%

C. 2%

D. 0%

Answer: Option B

Solution (By JKSSB Mock Tests)

0.8×1.2 = 0.96, loss 4%.

This question belongs to: Maths Percentage

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Question #1

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If a number is increased by 20%, it becomes 120. What is the number?

A. 140

B. 100

C. 120

D. 80

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Correct Answer: Option B

Explanation:
Let the number be x. x * 1.20 = 120. x = 120 / 1.20 = 100.

This question belongs to: Maths Percentage

Question #2

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If 25% of a number is subtracted from 30% of the same number, the result is 15. Find the number.

A. 250

B. 350

C. 200

D. 300

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Correct Answer: Option D

Explanation:
0.3x - 0.25x = 0.05x = 15 → x = 300.

This question belongs to: Maths Percentage

Question #3

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Employees reduced by 20%. To keep total wage bill same, wage per head must increase by:

A. 20%

B. 30%

C. 25%

D. 22.5%

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Correct Answer: Option C

Explanation:
New employees 0.8, wage per head multiplier = 1/0.8 = 1.25, increase 25%.

This question belongs to: Maths Percentage

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