1 votes 1 votes closed with the note: All previous GATE questions are on site, please see Prev Exams tab or do a search Q) Gate 1991- Number system ravi rajak 3 asked Oct 13, 2017 • closed Oct 13, 2017 by Arjun ravi rajak 3 460 views comment Share Follow See 1 comment See all 1 1 comment reply Shubhanshu commented Oct 13, 2017 reply Follow Share A0.B1 + A1.B0 0 votes 0 votes Please log in or register to add a comment.