2 votes 2 votes Elaborate by showing all strings.. Ravi_1511 asked Aug 7, 2016 Ravi_1511 2.4k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes There are 4 letters Number of strings length 1 = 4C1 = 4 Number of strings length 2 = 4C1 x 4C1 = 4 x 4 =16 Number of strings length 3 = 4C1 x 4C1 x 4C1 = 4 x 4 x 4= 64 Total number of strings upto length 3 = 4+16+64 =84 sh!va answered Aug 7, 2016 sh!va comment Share Follow See all 2 Comments See all 2 2 Comments reply Ravi_1511 commented Aug 7, 2016 reply Follow Share plus a 0 length string..total=85 0 votes 0 votes sh!va commented Aug 7, 2016 reply Follow Share The question is categorized under numerical ability not TOC. So I think null string need not to count. COrrect me if I am wrong 0 votes 0 votes Please log in or register to add a comment.
1 votes 1 votes 85 strings focus _GATE answered Aug 7, 2016 focus _GATE comment Share Follow See all 0 reply Please log in or register to add a comment.