Question

Example
4. Neha bought 12 ball pens for 72 and sold them alo puun!
7
5. Find the gain or loss percentage, if its selling price is
th of its cost price.
10
olution:
5
6. Aman sold his music system for 444 losing -th of its cost price. Find (i) its cost price, (ii) the loss percent​

Answer 1

Step-by-step explanation:

bought 12 ball pen for rs 72

cost price of 1 ball pen = 72/12 = 6

selling price of 1 ball pen = 8

gain = 8-6 = 2

gain % = (2/6)*100 = 33.33%