Question

Cost of 4 dozen Banana is rupees 60 how many bananas can be purchased for rupees 12.50

Answer 1

4 dozen banana = 60 rs.
48 banana = 60 rs.
1 banana = 60/48 = 5/4 rs. = 1.25 rs.
so,
x banana = 12.5 rs.
so,
1/x = 1.25/12.5
x = 12.5/1.25
x = 10
so,
10 banana cost 12.5 rs.