Question

By how much percent above the cost price should a shop keeper mark his goods so that he may gain 10% even after allowing a discount of 12% on the marked price

Answer 1

the cost price be 100%,

he should get 10% profit if he give 12% this gives u 82% discount ,

then u have to do 110% - 82% = 22% above the cost price he has to increase it to 22%