Question

How much per cent above the cost price should a shopkeeper mark his goods so
that after allowing a discount of 20% on the marked price, he gains 12%?​

Answer 1

let the marked price rupees x

discount is equal to 20 %

selling price is equal equal to marked price minus discount that is is 4x/5

now gain is equal to 12% so CP will be 100/112*4x/5 =20x/28

now question is how much percent above the cp the shopkeeper should mark his goods

so show MP - CP equal to to Forex by 7

percentage by which MP is greater than CP is equal to 4x/7*28x/20*100% =80%

the shopkeeper marks his goods at 35% above CP to gain a profit of 12% even after allowing a discount of 20%

please markers playlist