An article is sold for Rs. 144. If the percentage of profit is numerically equal to the cost price, find the cost price. MCQ with Answer and Explanation

Question

An article is sold for Rs. 144. If the percentage of profit is numerically equal to the cost price, find the cost price.

A. Rs. 90

B. Rs. 60

C. Rs. 80

D. Rs. 72

Answer: Option C

Solution (By JKSSB Mock Tests)

Let Cost Price = x. Profit percentage = x%. Selling Price = x * (1 + x/100) = 144. x^2 + 100x - 14400 = 0. Solving gives x = 80. Cost Price = Rs. 80.

This question belongs to: Maths Profit And Loss

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Question #1

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A dealer gives a discount of 20% on an article and still gains 10%. If the cost price is Rs. 600, find the marked price.

A. Rs. 825

B. Rs. 900

C. Rs. 800

D. Rs. 850

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Correct Answer: Option A

Explanation:
SP = 600*1.1 = 660. MP = 660 / 0.8 = 825.

This question belongs to: Maths Profit And Loss

Question #2

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A shopkeeper sells a book for Rs. 360, gaining 20%. Find the cost price.

A. Rs. 280

B. Rs. 340

C. Rs. 320

D. Rs. 300

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Correct Answer: Option D

Explanation:
CP = 360/1.2 = 300.

This question belongs to: Maths Profit And Loss

Question #3

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A dealer gives a discount of 10% on the marked price and still gains 15%. If the marked price is Rs. 800, find the cost price.

A. Rs. 600

B. Rs. 640

C. Rs. 650

D. Rs. 626.09

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Correct Answer: Option D

Explanation:
SP = 800*0.9 = 720. CP = 720 / 1.15 = 626.09.

This question belongs to: Maths Profit And Loss

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