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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

  1. A1140
  2. B3420
  3. C6840
  4. 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 .

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