The price of the jewel passing through three hands rises on the whole by65 if the first and the seco...........

Quantitative Aptitude ( CCS) Profit and loss

The price of the jewel,passing through three hands,rises on the whole by65%.if the first and the second sellers 20%and25% profit respectively find the percentage profit earned by the third seller.

15%

12%

10%

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Explanation:

Let the orginal price of the jewel be Rs p and let the profit earned by the thrid 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%