Question

by selling 50 bananas a vender gain the selling price of 10 bananas find his gain percent

Answer 1

Let Cost Price of 1 banana = Rs. 1
Cost Price of 10 bananas = Rs. 10 = Profit gained
Cost Price of 50 bananas =Rs. 50
Therefore, Profit % = Profit / Cost Price * 100 = 10 / 50 * 100 = 20 %.

Answer 2

Answer:

25%

Step-by-step explanation:

Let say cost price = c

Selling price = s

50 banana selling price = 50s

50 banana cost price = 50c

50 banana profit = 50s - 50c

10 banana selling price = 10s

10s = 50s - 50c

40s = 50c

s = 5c/4

Profit = s -c = 5c/4 - c = c/4

Profit % = {(c/4)/(c)}×100

= 25 %