A large vessel is full of oil.a smaller vessel can contain 2/5 of the amount of oil contained in the large vessel.oil is taken out from the larger vessel ten times by filling the smaller vessel.what fraction of oil is left in larger vessel?

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Solution

The percentage size of small vessel in terms of large vessel= 100x2/25=8%. so in 10times 80% will be out and 20% will be remaining. in terms of fraction it is 1/5

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