question_answer

A vessels contains mixture of 3 types of milk A, B, C. The ratio of their quantity is \[3:4:9\] respectively. If 10 litres of the mixture is taken out and 3 litres of A, B, C each are filled in the vessels due to which the quantity of C became twice that of B. Find the initial quantity of mixture?

A) 48

B) 58

C) 40

D) 50

E) 68