A person can swim in water with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, what will be the time taken by the person to go 68 km downstream?
A2.5 hours
B3 hours
C4 hours
D3.5 hours
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
What is the time taken by a boat to travel 120km upstream and back to the starting point if the speed of the boat is 25 km/hr, and the speed of stream is 5km/hr?
A boat has to travel upstream 20 km distance from point X of a river to point Y. The total time taken by boat in travelling from point X to Y and Y to X is 41 minutes 40 seconds. What is the speed of the boat?
If time upstream = n × time downstream and speed in still water is 'x' and speed of stream is 'y', then find x : y.
നിശ്ചലമായ വെള്ളത്തിൽ മണിക്കൂറിൽ 20 km വേഗതയിൽ സഞ്ചരിക്കുന്ന മോട്ടോർ ബോട്ട് 30 km താഴേക്ക് പോയി മൊത്തം 4 മണിക്കൂറിനുള്ളിൽ തിരിച്ചെത്തുന്നു.സ്ട്രീമിന്റെ വേഗത?
If sum of upstream and downstream speed of a boat is 82 kmph, and the boat travels 105 km. upstream in 3 hr, Find the time taken by boat to cover 141 km downstream.