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

1.

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: Option C

Explanation:

C.P. of 6 toffees = Re. 1

S.P. of 6 toffees = 120% of Re. 1 = Rs.	6
	5

For Rs.	6	, toffees sold = 6.
	5

For Re. 1, toffees sold =		6 x	5		= 5.
			6

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