Arman purchases some apple @ 1 apple for Rs.2 and same number of apple @ 2 apple for Rs.1. He sold all of them @1 for Rs.3. Find profit or loss percent.

60%

                      Qty      :       Price

Purchase₁:      2        :         1   .............(i)

Purchase₂:      1        :         2   .............(ii)

(ii) × 2, to make the purchased qty same, ATQ.

                      Qty      :       Price

Purchase₁:      2        :         1  

Purchase₂:      2        :         4    

                   ——————————— 

Total Purch.:    4        :          5

Sale           :    4        :         12

                    = 12 - 5 = 7 profit

Profit% :- \(\frac{7}{5}\) × 100 = 140%