Question

Vinod sold a watch to arun at a gain of 12% and arun had to sell it to manoj at a loss of 5% of manoj paid 3990 for it how much did vinod pay fot watch

Answer 1

.Vinod sold a watch to arun at a gain of 12% and arun had to sell it to manoj at a loss of 5% of manoj paid 3990 for it 3500 had vinod pay for watch.
12/100-5/100×3990

Answer 2

this is your answer