In container A contains milk and water in the ratio of 2:1. X liters of mixture taken out from A and mixed in container B which contains [X-10] liters milk. Quantity of water in A initially is half of final quantity of milk in B and quantity of milk mixed in B is equal to quantity of milk initially in B. Now ratio of milk and water in B is 4:1. Find the initial quantity of mixture in A?
1
60
2
80
3
40
4
120
5
90