Question

Find the cost price when,
(a) Selling price = Rs 725 and 15% gain​

Answer 1

Explanation:

Selling Price (SP) = Rs. 725

profit rate (P%) = 15 %

Now

Cost Price (CP)

`= (sp \: * 100)/(100 + p\%) \\ = (725 * 100)/(100 + 15) \\ = (72500)/(115) \\ = rs \: 630.42`