Question

In how many ways can a man invite 6 friends to a party so that two or more of them remain present?

Answer 1

to say he will give 1000 for the party if they come

Answer 2

Answer:

57 Ways

Step-by-step explanation:

two or more of them remain present

Total ways

= 2 Friends invited + 3 Friend invited + 4 Friends invited + 5 Friends invited  + 6 Friends invites

= ⁶C₂  + ⁶C₃ + ⁶C₄ + ⁶C₅ + ⁶C₆

= 15 +  20  + 15 +  6  + 1

= 57

in 57 Ways 6 friends to a party can be invited so that two or more of them remain present