Question
The price of some wooden furniture increases by 65%
when it passes through three hands. If the first and second sellers made a profit of 20% and 25%, respectively, then find the profit percentage of the third seller.Solution
solution- I  II 25%30% Successive profit = 20 + 25 + 20×25/100=50% Let the third profit be x% then - 50+x+50×x/100=65 50+x+50x/100=65 (100x+50x)/100=65-50 150x=1500 x=10
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