A shopkeeper buy some pens at 3 for Rs. 30 and an equal number at 4 for Rs. 40. He sells them at 5 for Rs. 56. Find the gain or loss %
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It can be best solved by taking an example. Let's take LCM of 2,3,4,5= 120
So he buys 60 pens at 3 for 30 that means 60 for 600. He buys the rest 60 at 4 for 48 that means 60 for 720. So the total cost of 120 pens is 1320.
He sells 120 pens at 5 for 56 that means 120 for 1344.
CP = 1320, SP = 1344, profit = 1344–1320=24
Profit %= (24/1320)*100= 1.82%
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So he buys 60 pens at 3 for 30 that means 60 for 600. He buys the rest 60 at 4 for 48 that means 60 for 720. So the total cost of 120 pens is 1320.
He sells 120 pens at 5 for 56 that means 120 for 1344.
CP = 1320, SP = 1344, profit = 1344–1320=24
Profit %= (24/1320)*100= 1.82%
HOPE U LIKE IT!
Answered by
9
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%
Step-by-step explanation:
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