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. 130

C. 120

D. 110

Answer: Option C

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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Practice More Percentage Questions

Question #1

Wage decreased 25% then increased 25%. Loss %:

A. 5%

B. 7.5%

C. 0%

D. 6.25%

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Correct Answer: Option D

Explanation:
0.75×1.25 = 0.9375, loss 6.25%.

This question belongs to: Maths Percentage

Question #2

150% of 60 is:

A. 90

B. 100

C. 75

D. 80

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Correct Answer: Option A

Explanation:
1.5 × 60 = 90.

This question belongs to: Maths Percentage

Question #3

A student multiplied a number by 4/5 instead of 5/4. What is the percentage error?

A. 45%

B. 25%

C. 30%

D. 36%

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Correct Answer: Option D

Explanation:
Error = (5/4 - 4/5)x = (9/20)x. % Error = ((9/20) / (5/4)) * 100 = (9/25) * 100 = 36%.

This question belongs to: Maths Percentage

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