Top

Discussion

A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of the stream is?

  • A.3.5km/hr
  • B.5.75km/hr
  • C.6.5km/hr
  • D.7km/hr

Answer: A

Speed Downstream = 15.5 km/hr, 

 

speed upstream = 8.5 km/hr 

 

Speed of the stream = ½ (15.5 – 8.5)km = 3.5 km/hr

No comment is present. Be the first to comment.
Loading…

Post your comment