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Question

If a shopkeeper incurs 10% loss and 25% profit on items sold for Rs. 45 and Rs. 40 respectively, then find his net profit/loss.
[4 MARKS]

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Solution

Concept : 1 Mark
Application : 1 Mark
Calculation : 2 Marks

Let the cost price of item sold at loss be x

x10%ofx=45

x10100×x=45

x110×x=45

10xx10=45

x=50Cost price is Rs.50

Loss=Rs.(5045)=Rs.5

Similarly let the cost price of item sold at profit be y

y+25%ofy=40

y+25100×y=40

y+14×y=40

4y+y4=40

y=32Cost price is Rs.32

Profit=Rs.(4032)=Rs.8

Net gain = Rs. (8 - 5) = Rs. 3





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