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Two tanks T1 and T2 have a capacity of 1500 litres and 2000 litres res

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Two tanks T1 and T2 have a capacity of 1500 litres and 2000 litres res  [#permalink]

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New post 05 Aug 2018, 05:03
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Difficulty:

  45% (medium)

Question Stats:

65% (01:23) correct 35% (01:47) wrong based on 23 sessions

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Two tanks T1 and T2 have a capacity of 1500 litres and 2000 litres respectively. If a pipe P can fill empty tank T1 in X hours alone and empty tank T2 in Y hours alone while operating at same constant rate in both cases, what is the value of Y?

(1) Y/X = 4/3

(2) X = 6
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Two tanks T1 and T2 have a capacity of 1500 litres and 2000 litres res  [#permalink]

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New post 05 Aug 2018, 06:52
Let the speed of pipe P = p. We are told that the speed is constant, then

T1/x=T2/y, 1 500/x=2000/y, 3y=4x. So if we find value of X, we will know tha value of Y.

(1) Y/X = 4/3 - Not Suff because it gives us the same 3y=4x as we already know
(2) X = 6[/quote] - Suff, because we can now use the information in the given equation 3y=4x

Answer B.
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Two tanks T1 and T2 have a capacity of 1500 litres and 2000 litres res &nbs [#permalink] 05 Aug 2018, 06:52
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