Question

Cost of 4 dozen banana is rs.180.How many banana can be purchased for rs.37.50

Answer 1

in 180 rs you purchase no. of banana= 4×12=48
now in 1 rs you purchase no. of banana= 48/180

hence in 37.50 rs you can be purchased no. of banana= 48×37.50/180= 1800/180=10 bananas

Answer 2

No. Of banana in one dozen is 12

So, in ₹180 no. Of banana can be bought is 48

For ₹1 no. Of banana be purchased is 48/180 banana

Now

For ₹37.50 no. Of bananas can be purchased =(48/180)×37.50

=10

So, For ₹37.50 only 10 bananas can be bought.