Question

If the cost of 5 pens is rs 60, what is the cost of a dozen pens ?

Answer 1

Answer:

cost of 1 pen =60rs divided by 5

cost of 1 pen= 12.

cost of 12(dozen) pen =12 ✖ 12=144

done

Answer 2

Answer:

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Step-by-step explanation:

cost of one pen is 60/5=Rs.12

so cost of dozen i.e., 12 pens is 12*12=Rs144.