SSC GD Constable 18 Feb 2019 Shift 3 Paper

Question : 55 of 100

Marks: +1, -0

A boat can cover 36 km downstream and 16 km upstream in 10 hours. It can cover 3 km downstream and 1.2 km upstream in 48 minutes. What is the speed (in km/hr) of the boat when going upstream?