Given: Selling Price (SP) = Rs. 198 Profit percent (P%) = 10% Profit percent (P%) = 25% Concept: Basics of profit and loss and the relationship between marked price and cost price Formula Used: SP=CP×
100±
P
L
100
Calculation: SP=CP×
100+10
100
⇒ CP = 180 Now, if shopkeeper wants profit of 25% then, selling price must be ⇒ SP=180×
100+25
100
⇒ S.P = Rs. 225 ∴ The selling price of the cake is Rs. 225.