Fast trick to solve the profit and loss.

Santosh calculated his profit percentage on the selling price whereas Rajesh calculated his profit on the cost price.they find the diffrence between their profits is Rs '179' .If the selling price of both of them is the same and both of them earn '70%' profit, then find their selling prices.

Trick - 1

Formula-

selling price = difference in profit * 100 * (100 + profit) / (% of profit)2

selling price = 179 * 100 * (100 + 70) / (70)2

selling price = 621.02040816327

Their selling prices will be 621.02040816327 .

Trick - 2

S.P.C.P.Profit

Santosh 17070% of 170 = 70 / 100 * 170 = 119

Rajesh 10070% of 170 = 70 / 100 * 100 = 70

difference in profits = 119 - 70 = 49 in 170 (SP)

so = 1 in 3.469387755102 (SP)

Selling price , difference in profit 179 = 179 * 3.469387755102 = 621.02040816327

Their selling prices will be 621.02040816327 .