A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?	Choose the correct choice from the following choices:	A) 3	B) 4	C) 5	D) 6	E) 7
C.P. of 6 toffees = Rs. 1   S.P. of 6 toffees = 120% of Rs. 1 = Rs 6/5   For Rs. 6/5 Toffees Sold 6   For Rs. 1, toffees sold = 6x (5/6)= 5   answer :5
<result>C</result>
A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?