NDA2015MathematicsPermutation and CombinationActual
The number of ways in which 3 holiday tickets can be given to 20 employees of an organization if each employee is eligible for any one or more of the tickets, is
Options
- A1140
- B3420
- C6840
- D8000
Correct answer
D. 8000
Step-by-step solution
Each employee is eligible for 1 or more of the tickets. No. of ways =20 20 20=8000 .