can i choose 1 person from each couple, so that none of the couple is in the same committee then choose 3 person from it?
2C1*2C1*2C1*2C1*4C3=64
but it does not give the same answer for when i choose 3 couple from 4 of the couple then choose 1 person from each couple
4C3*2C1*2C1*2C1=32
why?
thanks
GMAT Forum
- by dina_84
- Tue Jan 21, 2014 11:19 pm
- Forum: GMAT Official Practice Test Math
- Topic: A committee of three people is to be chosen from four
- Replies: 23
- Views: 27678
- Jump to post
Search found 1 matchPage 1 of 1