A shopkeeper sells an article at 20% profit. Had he bought it at 20% less and sold it for Rs. 10 less, he would have gained 25%. Cost price is: MCQ with Answer and Explanation

Question

A shopkeeper sells an article at 20% profit. Had he bought it at 20% less and sold it for Rs. 10 less, he would have gained 25%. Cost price is:

A. Rs. 45

B. Rs. 40

C. Rs. 55

D. Rs. 50

Answer: Option D

Solution (By JKSSB Mock Tests)

CP=x, SP=1.2x. New CP=0.8x, new SP=1.2x-10 = 1.25×0.8x = x → 1.2x-10=x → 0.2x=10 → x=50.

This question belongs to: Maths Percentage

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Question #1

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Production increased from 4000 to 5000. Percentage increase:

A. 22.5%

B. 25%

C. 27.5%

D. 20%

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Correct Answer: Option B

Explanation:
(1000/4000)×100 = 25%.

This question belongs to: Maths Percentage

Question #2

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Ratio of two numbers 5:7. First increased 10%, second 20%. New ratio:

A. 11:14

B. 13:17

C. 55:84

D. 5:7

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Correct Answer: Option C

Explanation:
First = 5.5, second = 8.4, ratio = 55:84.

This question belongs to: Maths Percentage

Question #3

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Convert 3/4 into a percentage.

A. 65%

B. 75%

C. 70%

D. 60%

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Correct Answer: Option B

Explanation:
(3/4) × 100 = 75%.

This question belongs to: Maths Percentage

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