A person, rowing at the rate of 5 km/h in still water, takes thrice as much time in going 40 km upstream as in going 40 km downstream. Find the speed of the stream. A person rowing at the rate of 5 km/h in still water takes thrice as much time in going 40 km upstream as in going 40 km downstream. Find the speed of the stream. November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related