Question

by selling a radio for ₹903, a shopkeeper gains 5% . find the cost price of the radio

Answer 1

hope this will help u.

Answer 2

SP = 903

gain % = 5

CP = x

profit% = (sp-cp)/cp * 100

5/100 = (903-x)/x

5x/100 = 903-x

5x/100 + x = 903

105x/100 = 903

x = 90300/105

x = 860

Hence CP = 860