Question

if a pen is sold for rs . 6 , there is 20 % profit . The cost of 5 dozen such pens is ?​

Answer 1

Step-by-step explanation:

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sp of 1 pen = rs.6

profit is 20%

so cp= ?

cp×120/100=6

cp=5

so cost of 1 dozen= 5×12=60

cost of 5 dozen= 60×5=rs.300

Answer 2

cost of one pen = 6 RS

cost of dozen pens= 6×12 = 60rs

cost of 5 dozen pens = 5× 60 =300rs