The number of ways in which 21 objects can be grouped
into three groups of 8,7, and 6 objects is
(a) 20 !/(8 ! + 7 ! + 6 !) (b) 21 !/(8 ! 7 !)
(c) 21 !/(8 ! 7 ! 6 !) (d) 21 !/(8 ! + 7 ! + 6 !)
Answers
Answered by
1
Answer:
option b is the answer for this question
Answered by
2
option B=21!/(8!7!)
Similar questions