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

Question : 80 of 80

Marks: +1, -0

The speed of a boat in still water and the speed of a stream are 15 km/hr and 3 km/hr respectively. Find the time taken to cover 72 km from starting point and then return to the starting point.