The price of an article is reduced by 20% and then increased by 30%. Find the net change in the price. MCQ with Answer and Explanation

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The price of an article is reduced by 20% and then increased by 30%. Find the net change in the price.

A. No change

B. 10% increase

C. 4% increase

D. 4% decrease

Answer: Option C

Solution (By JKSSB Mock Tests)

0.8 × 1.3 = 1.04, 4% increase.

This question belongs to: Maths Percentage

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Question #1

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If the length of a rectangle is increased by 20% and the breadth is decreased by 10%, what is the percentage change in area?

A. 10% increase

B. 6% increase

C. 8% increase

D. 12% increase

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Correct Answer: Option C

Explanation:
1.2 × 0.9 = 1.08, 8% increase.

This question belongs to: Maths Percentage

Question #2

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A man gave 20% to his wife, 25% of remainder to his son, 30% of remainder to his daughter, and the rest Rs. 16800 to charity. Total amount:

A. 35000

B. 40000

C. 37500

D. 36000

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Correct Answer: Option B

Explanation:
Wife 20%, left 80%. Son 20% of total (25% of 80), left 60%. Daughter 18% of total (30% of 60), left 42% = 16800 → total=40000.

This question belongs to: Maths Percentage

Question #3

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Office 70% men. 80% of men and 60% of women have car. % of workers with car:

A. 70%

B. 72%

C. 74%

D. 68%

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Correct Answer: Option C

Explanation:
Men with car = 56% of total, women = 18%, total 74%.

This question belongs to: Maths Percentage

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