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Three articles A, B and C are bought for Rs. 4,000 each. Article A is sold at a loss of 15% and article B is sold at a profit of 25%. If the average selling price of all the three articles is Rs. 3,960; at what profit or loss per cent is the article C sold ?

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20 %

13 %

15 %

10 %

answer is B.

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Detailed Solution

Concept- Word problem related to money exchange, the only thing that we need to focus on solving problems is percentage calculation.
Here, Article A

CP of the article A is Rs . 4000

Loss is 15 %

Then,

SP = \frac{85}{100} \times 4000 = Rs . 3400

Now, Article B

CP of the article B is Rs . 4000

loss = 25 %

Then,

SP = \frac{125}{100} \times 4000 = Rs . 5000

Now,
Total SP of all A,B,C

= 3960 \times 3 = Rs . 11880

Then,
SP of article C

= 11880 - (3400 + 5000)

= Rs . 3480

And, loss

= 4000 - 3480 = Rs . 520

Loss percentage

= \frac{520}{4000} \times 100

Loss percentage

= 13 %

Hence, the correct answer is option 2.

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