RE: A merchant cells each thing for 12 rs. One for 20% loss and another for 25% gain. At last what was h...
Merchant sells first thing for Rs. 12 which cost is originally calculated by X+X/4 12 that is X 9.6. Merchant sells the another thing for Rs. 12 which original cost is 15. It shows that merchant sells things for Rs. 24 with original cost 24.6 which is the loss of 2.5