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in Mathematics by (63.7k points)

The price of the jewel,passing through three hands,rises on the whole by 65%.if the first and the second sellers 20% and 25% profit respectively find the percentage profit earned by the third seller.

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Let the original price of the jewel be Rs p and let the profit earned by the third seller be x% 

Then,(100+x)% of 125% OF 120% OF P=165% OF P 

((100+X)/100*125/100*120/100*P)=(165/100*P) 

(100+X)=(165*100*100)/(125*120)=110

X=10%

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