A number is decreased by 25% and then increased by 25%. The net change is: MCQ with Answer and Explanation

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A number is decreased by 25% and then increased by 25%. The net change is:

A. 6.25% increase

B. 6.25% decrease

C. No change

D. 5% decrease

Answer: Option B

Solution (By JKExamLibrary)

0.75 × 1.25 = 0.9375, decrease 6.25%.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

20% of a number is 30. 60% of that number is:

A. 100

B. 90

C. 80

D. 60

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Correct Answer: Option B

Explanation:
Number = 30/0.2 = 150; 60% of 150 = 90.

This question belongs to: Maths Percentage

Question #2

A student gets 75% marks, which is 90 marks more than the passing marks. If the passing requirement is 45%, what is the maximum marks?

A. 300

B. 400

C. 350

D. 250

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Correct Answer: Option A

Explanation:
Difference = 75% - 45% = 30%. 30% of Maximum = 90. Maximum = 90 * (100 / 30) = 300.

This question belongs to: Maths Percentage

Question #3

The price of sugar is decreased by 20%. By what percent must a householder increase its consumption so that expenditure does not change?

A. 15%

B. 25%

C. 30%

D. 20%

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Correct Answer: Option B

Explanation:
New price 0.8, consumption multiplier = 1/0.8 = 1.25, increase 25%.

This question belongs to: Maths Percentage

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