Question (11/42)
A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current of stream in 10 minutes. How long it will take him to go 5 km in still water ?(A)  45 minutes
(B)  1 hour 15 minutes
(C)  1 hour 30 minutes
(D)  1 hour 45 minutes
Question (12/42)
A boat running downstream covers a distance of 16 km in 2 hours, while for covering the same distance upstream, it takes 4 hours. What of speed of boat in still water ?(A)  4 km/hr
(B)  6 km/hr
(C)  8 km/hr
(D)  Data Inadequate