A man sells an article at 10% profit. Had he bought it at 20% less and sold it for Rs. 10 less, he would have gained 25%. Find the cost price. MCQ with Answer and Explanation

Question

A man sells an article at 10% profit. Had he bought it at 20% less and sold it for Rs. 10 less, he would have gained 25%. Find the cost price.

A. Rs. 80

B. Rs. 110

C. Rs. 90

D. Rs. 100

Answer: Option D

Solution (By JKSSB Mock Tests)

CP=x, SP=1.1x. New CP=0.8x, new SP=1.1x-10. 1.1x-10 = 1.25×0.8x = x → 0.1x=10 → x=100.

This question belongs to: Maths Percentage

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Question #1

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Price of pen up 12%. By what % reduce consumption so that expenditure rises only 4%?

A. 8.33%

B. 6.67%

C. 8%

D. 7.14%

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Correct Answer: Option D

Explanation:
1.12 × x = 1.04 → x = 1.04/1.12 = 0.92857, reduction = 7.14%.

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Question #2

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A's salary increased by 25% then decreased by 25%. Original salary 8000, final salary:

A. 7500

B. 7400

C. 7800

D. 7200

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Correct Answer: Option A

Explanation:
8000 × 1.25 × 0.75 = 8000 × 0.9375 = 7500.

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Question #3

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25% of 120 is:

A. 25

B. 35

C. 30

D. 40

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Correct Answer: Option C

Explanation:
0.25 × 120 = 30.

This question belongs to: Maths Percentage

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