SOLUTION: sir, i could not find solution, I got stuck, please help me sir, " "For a boy having 6 friends, how many ways are there to invite 1 or more of them to the lunch? a) 30 b) 40

SOLUTION: sir, i could not find solution, I got stuck, please help me sir, " "For a boy having 6 friends, how many ways are there to invite 1 or more of them to the lunch? a) 30 b) 40

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Question 397772: sir, i could not find solution, I got stuck, please help me sir,
"
"For a boy having 6 friends, how many ways are there to invite 1 or more of them to the lunch?
a) 30
b) 40
c) 60
d) None of these.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The total number of ways is , so the answer is d, none of the choices.
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