P, Q and R are three towns on a river which flows uniformly. Q is equ…

Question

P, Q and R are three towns on a river which flows uniformly. Q is equidistant from P and R. I row from P to Q and back in 10 hours and I can row from P to R in 4 hours. Compare the speed of my boat in still water with t…

Accepted Answer

Option B. 5 : 3. Answer & Solution Answer: Option B Solution: & Let PQ = QR = x km & let speed downstream & = a km/hr & \,\,\,\,\,\,\,\,\,\, \,\, downstream & P \,\,\,\,\,\,\,\,\,\,\,\,x\,\,\,\,\,\,\,\,\,\,\,\,\, Q\,\,\,\,\,\,\,\,\,\,\,\,\,y\,\,\,\,\,\,\,\,\,\,\, \, R\,\,\,\, & and speed upstrea…

P, Q and R are three towns on a river which flows uniformly. Q is equidistant from P and R. I row from P to Q and back in 10 hours and I can row from P to R in 4 hours. Compare the speed of my boat in still water with that of the river.

Solution