Savia posted an Question
September 01, 2020 • 04:47 am 30 points
  • IIT JAM
  • Biotechnology (BT)

What is the solution to this problem?

1 Answer(s) Answer Now
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  • Abhijeet Gaurav best-answer

    Let's say he invites only 1 friend, that can be done in 6C1 = 6 If he invites only 2 friends, then 6C2 = 15 If he invites only 3 friends, then 6C3 = 20 If he invites only 4 friends, then 6C4 = 15 If he invites only 5 friends, then 6C5 = 6 If he invites all his friends, then 6C6 = 1 Summation of all will be your answer = 63. Hence Answer is (63).

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