If a number increased by 25% is 150, what is the original number? MCQ with Answer and Explanation

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If a number increased by 25% is 150, what is the original number?

A. 100

B. 110

C. 130

D. 120

Answer: Option D

Solution (By JKSSB Mock Tests)

Let the number be x. x * 1.25 = 150. x = 150 / 1.25 = 120.

This question belongs to: Maths Percentage

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Question #1

Buy cycle for Rs. 1400, sell at 15% loss. Selling price:

A. 1150

B. 1190

C. 1160

D. 1210

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Correct Answer: Option B

Explanation:
1400 × 0.85 = 1190.

This question belongs to: Maths Percentage

Question #2

If 15% of a number is subtracted from 30% of that number, the result is 45. The number is:

A. 350

B. 400

C. 300

D. 250

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Correct Answer: Option C

Explanation:
0.3x - 0.15x = 45 → 0.15x = 45 → x = 300.

This question belongs to: Maths Percentage

Question #3

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

A. 4% increase

B. 4% decrease

C. 10% increase

D. No change

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Correct Answer: Option A

Explanation:
0.8 × 1.3 = 1.04, 4% increase.

This question belongs to: Maths Percentage

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