Question

from a solution of milk and water, 40litres is taken out and replaced with water. then milk and water ratio becomes 2:1, if 30litres would have been replaced with water then the ratio becomes 11:7. find water quantity initially.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Quantity of milk = (30 x

3

2

) liters = 20 liters

Quantity of water in it = (30 - 20) liters = 10 liters

New ratio = 1 : 2

Let quantity of water to be added further be x liters.

Then, milk : water =

10+x

20

Now,

10+x

20

=

2

1

So, 40 = 10 + x

x=30

Quantity of water to be added = 30 liters