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A MAN HAS 7 FRIENDS. IN HOW MANY WAYS CAN HE INVITE ONE OR MORE FRIENDS TO A PARTY . TELL CLEARLY

A MAN HAS 7 FRIENDS. IN HOW MANY WAYS CAN HE INVITE ONE OR MORE FRIENDS TO A PARTY . TELL CLEARLY

Grade:11

4 Answers

NARAYANA
242 Points
5 years ago
ONE PERSON INVITES 1WAY
2 PERSONS INVITES 2WAYS AT LAST THESE TYPE REACTIONS TAKE PLACE UPTO 7.SO ANSWER IS 7!.THANK YOU.
SAI SARDAR
1700 Points
5 years ago
Dear Shanmukeswar,
                     He invite one friend from 7 is in 1 way.If he invite 2 friends from 7 he can choose 2! and like that he can invite one or more friends in 7! ways.
venkateshrs
48 Points
5 years ago
this question  is permutations and combinations unit we invite 7 friends in 7 ways then the number of ways to invite 7 friends is 7!
sourav goel
11 Points
5 years ago
 the numer of ways of inviting 1 friend is same as the number of ways of choosing 1 friend from 7 friends thus the number if total ways of inviting one or more friends are 7c1 + 7c2+ 7c3 + 7c4 +....+7c7 .

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