If the cost of 12 pens is Rs.75 then the cost of 1 pen is:
Rs.6.25
Rs.5.50
Rs.6.50
Rs.7.50
If Seema paid Rs.54 for 12 pens, then the cost of 4 pens is.
Question 12
Cost of a dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find the ratio of the cost of a pen to the cost of a ball pen.