Question

cost of 1 score of pen is ₹180 and cost of 1 dozen pencil is ₹150.find ratio of a pen to cost of a pencil.(1 score=20).

Answer 1

Answer:

cost of 1 score pen = ₹180

cost of 1 pencil = 150/12 = 12.5

so, the ratio of score pen and pencil is

180:12.5 = 1800:125 = 360:25 = 72:5