Search found 2 matches
It's easy. You only have to do the Selection. If we select one of the two groups, the other group is selected by default.
Therefore number of ways of selecting 5 people from 10 = C(10, 5) = 252
- by visheshchadha
Fri Sep 27, 2013 11:32 am- Forum: Problem Solving
- Topic: Teams
- Replies: 3
- Views: 1460
There is no need to even put values for the First and Second Statement alone. I) x < 2z < y => x/2 < z < y/2 Now, y/2 may be bigger than x and in that case x < z < y, else not. So, no unique solution. II) 2x < z < 2y Now, 2x may be lesser than y and in that case x < z < y, else not. So, no unique so...
- by visheshchadha
Fri Sep 27, 2013 11:11 am- Forum: Data Sufficiency
- Topic: Is Z between Z & Y?
- Replies: 9
- Views: 6363