3 votes 3 votes Combinatory combinatory factorial + – Balaji Jegan asked Jan 26, 2018 Balaji Jegan 449 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply sumit goyal 1 commented Jan 26, 2018 i reshown by sumit goyal 1 Jan 27, 2018 reply Follow Share Unit digit will be 9 0 votes 0 votes gauravkc commented Jan 26, 2018 reply Follow Share How? 0 votes 0 votes raviyogi commented Jan 27, 2018 reply Follow Share ans is 4? 0 votes 0 votes Shubhanshu commented Jan 27, 2018 reply Follow Share @sumit goyal 1 How? 0 votes 0 votes Please log in or register to add a comment.