Bananas are bought at 3 for Rs.2 and sold at 2 for Rs. 3. The gain per cent is
CP for 3 Bananas = Rs.2
CP for 1 Banana = Rs.2/3
SP for 2 Bananas = Rs.3
SP for 1 Banana = Rs.3/2
Gain = SP – CP
= 3/2 – 2/3
=5/6
= 5/4 × 100
= 125%