The speed of a boat is 10 km/h in still water. It covers a distance of 90 km in 15 hours going upstream. What is the speed of the stream?
A6 km/h
B3 km/h
C5 km/h
D4 km/h
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A man can row 40 kmph in still water and the river is running at 10 kmph. If the man takes 2 hr to row to a place and back, how far is the place?
What is the downstream speed of a boat when the speed of the boat in still water is 10 m/s and the speed of the river is 20% of the speed of the boat?
To go a certain distance of 40 km upstream a rower takes 8 hours while it takes her only 5 hours to row the same distance downstream. What was the rower’s speed in still water?
A boat running downstream covers a distance of 8.4 km in 12 minutes. If the same boat at same speed and same distance require 15 minutes for upstream, then find the speed of the stream.
നിശ്ചല ജലത്തിൽ ഒരു ബോട്ടിന്റെ വേഗം മണിക്കൂറിൽ 7 കി.മീറ്ററും ഒഴുക്കു വെള്ള ത്തിൻ്റെ വേഗം മണിക്കൂറിൽ 3 കി.മീറ്ററും ആയാൽ ഒഴുക്കിന് അനുകൂലമായി ബോട്ടിൻ്റെ വേഗത എന്ത്?