A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20 % ?
A. 3
B. 4
C. 5
D. 6
Answer:C
A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20 % ?
A. 3 B. 4 C. 5 D. 6