A vendor bought lemons at 6 for a rupee and sold them at 4 for a rupee. His gain% is (a) 50% (b) 40% (c) `33 1/3%` (d) `16 2/3%`

A vendor bought lemons at 6 for a rupee and sold them at 4 for a rupee.His gain % is 50% (b) 40%33(1)/(3)% (d) 16(2)/(3)%

A vendor bought buttons at 6 for rupee.How many for a rupee must he sell to gain 20%?

A man bought apple at 8 for 10rupees and sold them at 10 for 8 rupees . find his gain or loss percentage.

A vendor sells lemons at 5 for a rupee gaining 40 %. How many did he buy for a rupee?

A man bought toffees at 6 for a rupee. How many toffees for a rupee must he sell to gain 50%?

A man bought 20 dozens pencils the rate of 4 for rupees 5 and sold them at rate of 5 for rupees 8. His profit percent is (a) 24.5%(b)25% (c) 26.5% (d) 28%

A man bought 18 oranges for a rupee and sold them at 12 oranges for a rupee. What is the profit percentage?