by selling two tables for rupees 1200 each ,a man gains 10% on one and loses 10% on the other. find his gain or loss percentage in the whole transaction.
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First table:-
Cost=1200
10%gain means
When CP is 100 sp =110
When CP is 1200 sp=(110*1200)/100
=1320
Second table:-
Cp=1200
10% loss means
When cp is 100 SP is 90
When cp is 1200 sp is (90*1200)/100=1080
Total cp is 1320+1080=2400
Total sp is 2400
Profit=2500-2400=100
Profit %=(100*100)/2400=4.167%
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