A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?	Answers
A) 2 B) 4 C) 5 D) 6 E) 24
C   C.P. of 6 toffees = Re. 1   S.P. of 6 toffees = 120% of Re. 1 = Rs. 6/5   For Rs. 6/5, toffees sold = 6. For re. 1.   Toffees sold = 6 * 5/6= 
<gadget id="calculator">6 * 5/6</gadget>
<output>5</output>
5
<result>C</result>
A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?