There are 16 people, they divide into four groups, now from those four groups select a team of three members,such that no two members in the team should belong to same group.
268
286
265
256
Explanation:
We can select any three of the 4 groups in 4C3
ways. Now from each of these groups we can select 1 person in 4 ways.
So total ways = 4 x 4 x 4 x 4 = 256
We can select any three of the 4 groups in 4C3
ways. Now from each of these groups we can select 1 person in 4 ways.
So total ways = 4 x 4 x 4 x 4 = 256