Question (7/42)
Ramesh's boat speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. What is his speed against the current ?(A) 8.5 km/hr
(B) 9.0 km/hr
(C) 10.0 km/hr
(D) 12.4 km/hr
Question (8/42)
Boat running upstream takes 8 hour 48 minutes to cover certain distance, while it takes 4 hours to cover the same distance running downstream. What is ratio between the speed of boat and the speed of the water current respectively ?(A) 2 : 1
(B) 3 : 2
(C) 3 : 4
(D) 8 : 3