A man can row three - quarters of a kilometer against the stream in 45/4minutes. The speed(in km/hr) of the man in still water is
A. 2 B. 3
C. 4 D. 5

• the problem is incomplete, now ADD " 45/4 minutes and return in 15/2. " the answer would be 5
• 11 years agoHelpfull: Yes(4) No(6)
• plz tell me how downstream is 750/450? how did u take it .....as it is not mentioned anywhere....help
• 9 years agoHelpfull: Yes(4) No(1)
• here quarter means 3/4th so 3/4th of a kilometer is 750
  
  we take for our convenience 11 1/4 as 45/4*60=675
  
  upstream = 750/675=10/9
  downstream = 750/450=5/3
  rate in still water 1/2(10/9+5/3)
  25/18
  he speed(in km/hr) of the man in still water is
  25/18*18/5=5kmph
• 10 years agoHelpfull: Yes(3) No(3)
• quesstion is entirly wrong...
• 10 years agoHelpfull: Yes(2) No(2)