Question

By selling hundred mangoes a fruit seller gains the SP of 20 mangoes find his gain%

Answer 1

Solution:-
Let the selling price of each mango = x Rs.
Then selling price of 100 mangoes = 100x Rs.
Gain = selling price of 20 mangoes = 20x Rs.
Cost price of 100 mangoes = selling price - gain
⇒ 100x - 20x = 80x
Gain percentage = (gain×100)/cost price
⇒ (20x × 100)/80x
Gain percentage = 25 %