It takes one minute to fill 3/7 th of a vessel. What is the time taken in minutes to fill the whole of the vessel?
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1anda half minute it takes to complete the Cassel
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So lets consider the quantity of vessel as x
3by7 x=1 min
=x=7by3 of 1 min
=7by3 of 60sec
=140sec
So x = 2 and a half minutes
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