| |
GeekInterview.com > Placement Papers > IBM > Aptitude
| Print | |
| Question: Speed of boat in still water is 10kmph.If it travels 24km downstream,16km upstream in the same amount of time, what is the speed of the stream? (a)3kmph (b)3.5kmph (c)2kmph
|
| July 07, 2005 10:17:35 |
#2 |
| nimmi |
Member Since: Visitor Total Comments: N/A |
RE: Speed of boat in still water is 10kmph.If it travels 24km downstream,16km upstream in the sam
|
another way of doing...a bit lengthy.
speed in still water=0.5(speed up+speed down)=10
0.5((24/t)+(16/t)=10.
therefore time t=2hrs
rate of stream=0.5(speed upstream-speed down)
rate of stream=0.5((24/2)-(16/2))=2kmph. |
| |
Back To Question | |
