A fruit seller buys bananas at 2 for a rupee and sells them at 5 for three rupees. His profit per cent is:
25
10
15
20
C.P of 10 bananas = Rs. 5
S.P of 10 bananas = Rs. 6
∴ Profit % = 6−55×100=20%
A fruit-seller buys oranges at 4 for Rs.3 and sells them at 3 for Rs.4. Find his profit percent.