Question

Cost of a dozen pens is Rs. 108 and cost of 7 ball pens is Rs. 49. Find the ratio of the cost of a pen to the cost of a ball pen​

Answer 1

Answer:

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Answer 2

Answer:

Cost of 12 pens =₹108

so cost of 1 pen=108/12

₹9

cost of 7 ball pens =₹49

cost of 1 Ball pen=49/7

₹7

so ratio of cost of a pen and Ball pen

9:7