Question

A shopkeeper buys some pens at 3 for ₹ 30 and an equal number at 4 for ₹ 48. He sells them at 5 for ₹56.Find his gain OR loss percent ​

Answer 1

Answer: Answer:The shopkeeper buys 3 pens for 30 so the price of one pen is rs 10.Let us assume he buys 100 pens so the price will be rs 1000

He buys equal number of pens@ 4 for 48.So the cp will be 12 rs for each pen.So the cost of 100 pens would be rs 1200

CP for 200 pens is (1000+1200=2200)

SP for 5 pens is rs 56.For 1 pen it will be rs 11.2 and for 200 pens it will be Rs 2240

SP-CP(2240-2200=40)

Profit=40 rs

Profit%=profit/CP×100=40/2200×100=20/11=1.8%

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