1 votes 1 votes A boat covers 32 km upstream and 36 km downstream in 7 hrs. Also it covers 40 km upstream and 48 km downstream in 9 hrs. The ration of speed of boat in still water and speed of the stream is a)1:5 b) 1:2 c) 2:1 d) 5:1 Sanjay Sharma asked Dec 13, 2016 Sanjay Sharma 1.4k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 3 votes 3 votes x:y =still water : rate of stream = 10:2 = 5:1. Prabhanjan_1 answered Dec 13, 2016 • selected Dec 13, 2016 by Sanjay Sharma Prabhanjan_1 comment Share Follow See all 0 reply Please log in or register to add a comment.
