By selling 12 toffees for a rupee, a man loses 20%. How many for a rupee should be sell to get a gain of 20%?
Q1. By selling 12 toffees for a rupee, a man loses 20%. How many for a rupee should be sell to get a gain of 20%?
Answer: 8
Explanation: Selling 12 for Re 1 at 20% loss means CP of 12 = Re 1.25; for 20% gain SP must be Re 1.50 for 12, meaning sell 8 toffees for Re 1.