JEE Main2004MathematicsPermutation and CombinationActual
The number of ways of distributing 8 identical balls in 3 distinct boxes so that none of the boxes is empty is
Options
- A5
- B^8 C₃
- C3^8
- D21
Correct answer
D. 21
Step-by-step solution
Number of balls =8 number of boxes =3 Hence number of ways = ^7 C₂=21 .