In how many ways can 8 Indians, 4 Americans and 4 Englishmen be seated in a…
2018
In how many ways can 8 Indians, 4 Americans and 4 Englishmen be seated in a row such that all persons of the same nationality sit together?
- A.
3!⋅4!⋅8!⋅4!
- B.
3!⋅8!
- C.
4!⋅4!
- D.
8!⋅4!⋅4!
Attempted by 122 students.
Show answer & explanation
Correct answer: A
Treat each nationality as one block → 3 blocks