A mixture of 40L of spirit and water contains 10% water. How much water must be added to make 20% water in new mixture to use for the purpose ?

Open in App

Solution

Let required quanity of water = x liters
Then
0.1*40 +x =0.20(x+40)
4+x=0.2x+8
0.8x=4
x=4/0.8=5 liters

Suggest Corrections

Similar questions

40

10

%

20

%

A mixture of 40 litres of milk and water contains 10 $%$ water. How much water must be added to make water 20 $%$ in the new mixture?

A 70 L mixture of juice and water contains 10% of water. How much water must be added to make the water content 12.5% of the resulting mixture?

10 %

12.5 %

10 $%$ water is present in 40 litres of a mixture of milk and water. How much water must be added to it so as to get 20 $%$ water in the new mixture?

Join BYJU'S Learning Program