A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:
2
3
4
5

• formula
  speed=0.5*(speed against+speed down)
  
• 12 years agoHelpfull: Yes(0) No(0)
• according 2 the formula we can't get the right answer......
• 11 years agoHelpfull: Yes(0) No(0)
• question mistake in place of 11 it is 11.25 min and instead of 7 it should be 7.5 min
  now answer is 5 km/hr
• 6 years agoHelpfull: Yes(0) No(0)