Question

(4) Cost of a dozen pens is 300 and cost of 8 ball pens
is 160. Find the ratio of the cost of a pen to the
cost of a ball pen.​

Answer 1

One dozen= 12

Cost of One dozen pen= Rs.300

Cost of one pen= RS.300 ÷ 12

= RS.25

Cost of 8 balls= Rs.160

Cost of one ball=Rs.160 ÷ 8 = RS.20

Ratio= Cost of a pen

Cost of a ball

= RS.25

RS.20

=5

4

So the ratio is 5/4.