Answers Problems on Boats and Streams(Set 2) - Solved Examples 31. If a man's rate with the current is 15 km/hr and the rate of the current is 1 1 ⁄ 2  km/hr, then his rate against the current is A. 12 km/hr B. 10 km/hr C. 10.5 km/hr D. 12.5 km/hr View Answer | Notebook |  Discuss 32. The speed of the boat in still water in 12 kmph. It can travel downstream through 45 kms in 3 hrs. In what time would it cover the same distance upstream? A. 8 hours B. 6 hours C. 4 hours D. 5 hours View Answer | Notebook |  Discuss 33. A boat goes 8 km upstream in 24 minutes. The speed of stream is 4 km/hr. The speed of boat in still water is: A. 25 km/hr B. 26 km/hr C. 22 km/hr D. 24 km/hr View Answer | Notebook |  Discuss 34. The speed of a boat in still water is 25 kmph. If it can travel 10 km upstream in 1 hr, what time it would take to travel the same distance downstream? A. 22 minutes B. 30 minutes C. 40 minutes D. 15 minutes ...

Answers Problems on Boats and Streams(Set 1) - Solved Examples 1. A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is: A. 8.5 km/hr B. 10 km/hr. C. 12.5 km/hr D. 9 km/hr View Answer | Notebook |  Discuss 2. A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is: A. 10 B. 6 C. 5 D. 4 View Answer | Notebook |  Discuss 3. In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is: A. 12 km/hr B. 11 km/hr C. 10 km/hr D. 8 km/hr View Answer | Notebook |  Discuss 4. A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is: A. 1 km/hr. B. 2 km/hr. C. 1.5 km/h...