IBPS RRB Office Assistant 23 Sep 2017 Paper

Jar A contained a mixture of apple, orange and guava juice in the respective ratio of 4 : 5 : 7. 16 litre of mixture was taken out. As a result, the difference between quantity of orange juice and that of guava juice in the remaining mixture became 4 litre. What was the initial quantity of apple juice in the mixture (in litre) ?