Question

14 litres of milk contain 10% water.Find the quantity of water to be added to the milk so that it may contain 20% water.


Answer-5 litres


Note-The process should be such that you arrive at an answer which is- 5 litres.


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Answer 1

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I think ans is 1.75 liters

Answer 2

Correct question :

40 litres of milk contain 10% water.Find the quantity of water to be added to the milk so that it may contain 20% water.

Step-by-step explanation:

Given that,

Mixture contains 40 liter

and 10% water

so,

amount of water = 40 × 10%

= 40 × 10/100

= 4 liter

Here,

ratio of milk and water = 90:10

= 9:1

now,

water level should be 20% so,

ratio of milk and water = 80 : 20

= 4:1

now,

let x be added water in the mixture.

now,

milk/water = 36/(4 + x) = 1/4

x = 5 liter