IBPS RRB Officer Scale 1 Exam 12 Sep 2020 Prelims Shift 1 Paper

Question : 55 of 80

Marks: +1, -0

A boat takes 2 hours more to travel 45 km upstream than to travel the same distance downstream. If the ratio of the speed of current to the speed of boat is 1 ∶ 4, then find the speed of the current.