If the selling price of 18 oranges is equal to the cost price of 16 oranges, find the loss percent.
Selling price of 18 oranges = cost price of 16 oranges
Let cost price of 1 orange = Rs. X
Selling price of 18 oranges = Rs. 16X
∴selling price of 1 orange = 
Loss = 
= 
%
11