Question

Cost of 15 pens is Rs.180.30.Find the cost of 6 pens.How many pens can be bought if a person has Rs.240.40?

Answer 1

1)finding cost of 6 pens
15 pens = 180.30

1pen= 180.30/15

6pens = 180.30 × 6/15 =₹72.12

2)finding no of pens that can be bought

12.02 = 1 pen

240.40/12.02 =20pens

=20pens