Everyday Einstein – 8.11.2010

August 11, 2010 at 1:59 pm Leave a comment

From 101 Puzzles in Thought and Logic by C.R. Wylie, Jr.:

“A hiker can average two miles per hour uphill and six miles per hour downhill. Going uphill and down, and if he spends no time at the summit,

What will be his average speed for an entire trip?”

Advertisements

Entry filed under: Everyday Einstein.

Book Reviews: The Winston Breen Series Strategy Can Be Fun(ny)

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Trackback this post  |  Subscribe to the comments via RSS Feed


Archives

August 2010
M T W T F S S
« Jul   Sep »
 1
2345678
9101112131415
16171819202122
23242526272829
3031  

%d bloggers like this: