L&T Company Numerical Ability Alligation or Mixture

Two same glasses are respectively 2/5th and 1/6th full of milk. They are then filled with water and the contents mixed in a tumbler. The ratio of milk and water in the tumbler is?
A) 9:31 B)17:43 C)10:27 D)13:30

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option B) 17:43
explaination: let glasses be G1 and G2 , milk be M and water be W.
In G1, 2/5 of M then 1-(2/5) = 3/5 of W.
In G2, 1/6 of M then 1-(1/6) = 5/6 of W.
Ratio = ( M in G1 + M in G2)/( W in G1 + W in G2)
= (2/5 + 1/6) / ( 3/5 + 5/6)
= 17: 43
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