Question

cost of 1 dozen pen is Rs 144 then what is cost of 5 pen

Answer 1

Cost of 1 dozen pen = Rs 144

1 dozen = 12 pens

Cost of 1 pen =
$\frac{144}{12} = 12$

Cost of 5 pens = 12 X 5 = 60 Rs.

Ans is 60 Rs.

Hope this helps you...