IBPS RRB Officer Scale 1 Exam 1 Aug 2021 Prelims Shift 1 Paper

Ratio of milk and water in a mixture of 50 litres is 4 : 1. 10 litres of the mixture is taken out from the mixture and then 3 litres of milk and 5 litres of water is added to it. Find the final ratio between milk and water.