kajal bindal

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Feb 7, 2014, 12:24:45 PM2/7/14

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Two vessels P and Q contain 'a' ltrs of petrol and 'b' ltrs of kerosene respectively. 'c' ltrs of petrol and same quantity of kerosene is taken out and then transferred to Q and P rspctvly. if aftr the frst operation the quantity of petrol and kerosene in either of P or Q dsnt change. what is the value of 'c'.....???

A. ab/(a-b)

B. 2ab/(a+b)

C. ab/(a+b)

D. (a/b)^2
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kajal

Abhilash Chandra

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Feb 7, 2014, 2:01:37 PM2/7/14

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option c

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kajal bindal

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Feb 7, 2014, 2:02:43 PM2/7/14

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finally....

xplain...

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kajal

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