Question

A shopkeeper purchased 10 packets of pens for 600. Each packet contains 15 pens. He sol
each pen for 5. How much profit or loss did he make?​

Answer 1

Answer - The shopkeeper will be in profit

Answer 2

Cost of pencil is 1 ₹ , Cost of pens 4₹ p

Given total Cost of 5 pens and 10 pencil = Rs 30

5 pens + 10 pencils = 30

pen + 2 pencils = 1

also given pen cost 3 more then pencil

i.e, pen = 3 + pencil.

pen - pencil = 3

pen + 2 pencils = 6

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-3 pencils = -3

pencils = 1

pen - 1 = 3

pen = 4

cost of pencils = 1 cost of pen = 4