If the cost price of 10 articles is equal to the selling price of 9 articles, find the gain percent. MCQ with Answer and Explanation

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If the cost price of 10 articles is equal to the selling price of 9 articles, find the gain percent.

A. 11.11%

B. 15%

C. 10%

D. 12%

Answer: Option A

Solution (By JKSSB Mock Tests)

Let CP of 1 = 1, CP of 10 = 10, SP of 9 = 10 => SP of 1 = 10/9 = 1.111, gain = 11.11%.

This question belongs to: Maths Profit And Loss

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Question #1

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An article is sold at Rs. 720, incurring a loss of 10%. What is the cost price?

A. Rs. 820

B. Rs. 800

C. Rs. 780

D. Rs. 850

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Correct Answer: Option B

Explanation:
CP = 720 / 0.9 = 800.

This question belongs to: Maths Profit And Loss

Question #2

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A person sells a book at a loss of 8%. If the selling price is Rs. 184, find the cost price.

A. Rs. 210

B. Rs. 190

C. Rs. 185

D. Rs. 200

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Correct Answer: Option D

Explanation:
SP = 92% of CP => CP = 184 / 0.92 = 200.

This question belongs to: Maths Profit And Loss

Question #3

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A shopkeeper sells a book for Rs. 300, gaining 20%. Find the cost price.

A. Rs. 270

B. Rs. 240

C. Rs. 250

D. Rs. 260

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Correct Answer: Option C

Explanation:
CP = 300/1.2 = 250.

This question belongs to: Maths Profit And Loss

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