BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Classic combinatorics question

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Problem Solving |
User avatar
Community Manager
Posts: 1537
Joined: Mon Aug 10, 2009 6:10 pm
Thanked: 653 times
Followed by:252 members

by papgust » Thu Oct 22, 2009 3:47 am
Question says "The man must sit in the middle chair". However, since there is only 1 man we can just sideline this point and focus on arranging other 4 women in remaining 4 chairs.

This can be done in 4*3*2*1 ways for 4 remaining chairs. This equals 24 ways.

Please correct me if i'm wrong!
Top
Senior | Next Rank: 100 Posts
Posts: 59
Joined: Fri Aug 14, 2009 12:03 am

by caspermonday » Thu Oct 22, 2009 5:25 am
Absolutely right!
Top
Post new topic Post Reply
• Page 1 of 1