CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

A man has 7 friends. In how many ways he can invite one or more of them for a tea party


  1. 128

  2. 256

  3. 127

  4. 130


Solution

The correct option is C

127


Required number of ways = 271 =127

{Since the case that no friand be invited i.e., 7C0is excluded}

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More...



footer-image