IBPS Clerk Prelims Model Paper 12

Jar A contained a mixture of apple, orange and guave 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)?