Question

173). 20 litres of a mixture contains milk and water in the ratio of 5 : 3. If 4 litres of
this mixture are replaced by 4 litres of milk, the ratio of milk to water in the
new mixture will become.
1)2:1
2)7:3
3)8:3
4)4:3​

Answer 1

Answer: 2)7:3 is correct.

Let the amount of milk and water in 20 liter mixture is 5x and 3x

If 4 liter of mixture is replaced by 4 liter of milk

milk =5x+4

water =3x

Then,

5x+4+3x=20

x=2

Ratio of milk and water =

3x

5x+4

​

=

7:3

​

Step-by-step explanation:

Answer 2

Answer  

please rectify the question

Step-by-step explanation: