Different paths

This topic has expert replies
Master | Next Rank: 500 Posts
Posts: 265
Joined: Mon Dec 28, 2009 9:45 pm
Thanked: 26 times
Followed by:2 members
GMAT Score:760

Different paths

by mj78ind » Fri Jul 23, 2010 1:45 am
Please refer attached diagram, how many shortest possible paths can be used to go from A to B?

The answer is 15

I am looking for a generic approach other than counting the possibilities for such questions.

Thanks!
Attachments
New Microsoft Office Excel Worksheet.xls
(17 KiB) Downloaded 70 times
Source: — Problem Solving |