1 votes 1 votes If there is an unlimited number of red, green, blue and black jelly beans in how many ways can Harry select 24 of these candies so that he has at least six black one? _________. Combinatory combinatory + – Akriti sood asked Nov 11, 2016 • retagged Jun 27, 2017 by Arjun Akriti sood 478 views answer comment Share Follow See 1 comment See all 1 1 comment reply Sushant Gokhale commented Nov 24, 2016 reply Follow Share with generating functions: (x0 +x1 .....x18) (x0 +x1 .....x18) (x0 +x1 .....x18) (x6 + x7 + ......+ x24) But evaluates to something else. Dont know where going wrong. 0 votes 0 votes Please log in or register to add a comment.