Question (1/42)
Ramesh can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. If he could double his rowing rate for his 24 miles round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is speed of current in miles per hour ?(A) 1.4 mph
(B) 1.8 mph
(C) 2.2 mph
(D) 2.6 mph
Question (2/42)
A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, what is speed of the stream ?(A) 2 mph
(B) 3 mph
(C) 4 mph
(D) 5 mph