Surbhi went to the market where she want to buy 50 bananas or 40 apples with the money she has. Surbhi keeps 10% of the amount for bus fares and buys 20 apples and of the balance, she purchased bananas. Find the number of bananas she can purchase.
1
12 bananas
2
15 bananas
3
20 bananas
4
10 bananas
5
None of these