Question

a vender buys 8 orange for rs 10 and sells them at 1.25 per orange find gain loss %

Answer 1

Cost price per orange = 8/10 = 0.8.
Selling price per orange = 10/8 = 1.25.
Gain = 1.25 - 0.8 = 0.45
%gain = (0.45 *100)/0.8 = 56.25%.