A) 30 litres
B) 40 litres
C) 20 litres
D) 10 litres
Correct Answer: B
Solution :
[b] In 30L mixture ratio of milk and water = 7 : 3 \[\therefore \,\] Milk = 21L, Water = 9L Let added water = xL \[\therefore \] \[\frac{21}{9+x}=\frac{3}{7}\] 27 + 3x = 147 3x = 120 x = 40 \[\therefore \,\] 40L water addedYou need to login to perform this action.
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