Cost of dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find th

1.	Cost of dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find the ratio of the cost of pen to the cost of a ball pen.
Answer» Cost of dozen pens = Rs 180 Cost of 1 per = 180/12 = Rs 15 Cost of 8 ball pens = Rs 56 Cost of ball pens= 56/8 = Rs 7 Required ratio of the cost of a pen to the cost of a ball pen = 15/7= 15 : 7

Cost of dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find the ratio of the cost of pen to the cost of a ball pen.

Answer»

Cost of dozen pens = Rs 180

Cost of 1 per = 180/12 = Rs 15

Cost of 8 ball pens = Rs 56

Cost of ball pens= 56/8 = Rs 7

Required ratio of the cost of a pen to the cost of a ball pen = 15/7= 15 : 7