If the selling price of 50 articles is equal to the cost price of 40 articles then the loss and gain percent is

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20% gain

20% loss

25% loss

25% gain

answer is B.

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Detailed Solution

Concept: The cost price of each article will be assumed to be Rs. 1, and since there are 40 articles, the total cost price of the 40 articles will be Rs. 40, which will be equal to the selling price of 50 articles in accordance with the condition stated in the question. Following this, we will continue to solve the problem. Knowing the formulas for profit = (selling price - cost price) and loss = (cost price - selling price)

and

Let the cost price of each article be Rs.1
Also, cost price of 50 article be Rs.50
Selling price of 50 articles be Rs.40
We know that, Loss = Cost price – Selling price

Hence, the correct answer is 2.

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