LIC AAO Model Paper 10

Question : 35 of 160

Marks: +1, -0

A vessel contains 100 litres mixture of milk and water in the respective ratio of 22 : 3. 40 litres of the mixture is taken out from the vessel and 4.8 litres of pure milk and pure water each is added to the mixture. By what percent is the quantity of water in the final mixture less than the quantity of milk ?

78 $1/2$
79 $1/6$
72 $5/6$
76
77 $1/2$

Validate

Solution:

Remaining mixture in the vessel = 60 litres
Milk =

{22}/{25}

x 60 = 52.8 litres
Water = 7.2 litres
On adding additional milk and water,
Milk = 52.8 + 4.8 = 57.6 litres
Water = 7.2 + 4.8 = 12 litres
∴ Required percent =

{57.6-12}/{57.6}

× 100
=

{45.6}/{57.6}

× 100 =

{475}/{6}

= 79

1/6

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