A man's salary is increased by 12% and then decreased by 12%. Find the net change in his salary. MCQ with Answer and Explanation

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A man's salary is increased by 12% and then decreased by 12%. Find the net change in his salary.

A. 2.4% decrease

B. 1.44% increase

C. 1.44% decrease

D. No change

Answer: Option C

Solution (By JKSSB Mock Tests)

1.12 × 0.88 = 0.9856, decrease 1.44%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

A number increased by 20% then by 25% becomes 150. Original number:

A. 110

B. 80

C. 100

D. 90

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Correct Answer: Option C

Explanation:
x × 1.2 × 1.25 = 150 → 1.5x = 150 → x = 100.

This question belongs to: Maths Percentage

Question #2

If the radius of a circle is increased by 100%, the area increases by:

A. 200%

B. 400%

C. 300%

D. 500%

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Correct Answer: Option C

Explanation:
Area proportional to radius². New radius 2r, area 4 times, increase = 300% (i.e., 4-1 = 3 times = 300%).

This question belongs to: Maths Percentage

Question #3

Cost article Rs. 200, marked up 40%, then 20% discount. Selling price:

A. 260

B. 240

C. 224

D. 280

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Correct Answer: Option C

Explanation:
Marked = 200×1.4 = 280, SP = 280×0.8 = 224.

This question belongs to: Maths Percentage

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