Answer :

Let cost price and selling price of one orange be Rs. c and Rs. s respectively.

⇒ Cost Price of 36 oranges = 36 × c = 36c and

Selling Price of 36 oranges = 36 × s = 36s

Given Loss = Selling Price of 4 oranges

⇒ Loss = 4s

But, we know **Loss = Cost Price – Selling Price**

⇒ 4s = 36c – 36s

⇒ 40s = 36c

We have,

But, s = 0.9c

Thus, loss percentage is 10 (that is 10% loss).

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