A milkman mixes 20 litres of water with 80 litres of milk. After selling one-fourth of this mixture, he adds water to replenish the quantity he has sold, what is the current proportion of water to milk?
a) 1 : 3
b) 2 : 3
c) 3 : 4
d) 4 : 3
e) None of these

1 Answer

Answer :

Milk remaining after selling 1/4 of mixture = 80 ×(1- 1/4)=60 litres
=>water =100-60 = 40 litres => Required ratio = 40 : 60 =2 : 3
Answer: b)

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