Practice30Create account

A man rows at 6 km/h in still water. He takes twice as long to row upstream as to row the same distance downstream. Find the speed of the stream in km/h.

Competition practiceSpeed, Time & Distance
  • A2
  • B4
  • C1
  • D3

Step-by-Step Solution

Twice the time upstream means downstream speed = 2 × upstream: 6+s = 2(6−s), so s = 2 km/h.
Answer: A) 2

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Speed, Time & Distance practice questions

More Speed, Time & Distance practice

A goods train 324 m long moves at 81 km/h. In how many seconds does it pass a signal post?Rohit rides his scooter from Pune to Lonavala at 42 km/h and comes back by the same road…How many seconds does a 225 m long train running at 81 km/h take to cross a platform…On parallel tracks, a 150 m train at 45 km/h and a 210 m train at 63 km/h approach each…A launch takes 3 hours to travel 36 km downstream and 6 hours to come back the same 36…