Question

by selling toffees at 20 for a rupee, a man loses 4%. in order to gain 20% , how many for a rupee must he sell?​

Answer 1

short method,

let cp = 100%

so,.

96% = 20

1% = 20/96 = 5 / 24

then,

profit = 20%

so,

120% = 5/24*120 = 25

so the answer is 25