Gain of 5%
Loss of 5%
Gain of 20%
Loss of 20%
No profit or No loss

Answer: D


Let the cost price of each orange is “x”

Then the cost price of 40 oranges = 40x

Given that,

Cost price of 40 oranges is equal to the selling price of 50 oranges.

So, selling price of 50 oranges = 40x

Let’s find the cost price of 50 oranges, which is nothing 50x

Profit or loss \%=\frac{s.p-c.p}{c.p}\cdot100

= \frac{40x-50x}{50x}\cdot100

= -20%

Which is a loss of 20%.

Hence the answer is D.


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