0 votes 0 votes GATE2008 QUESTION......ans is given c option but the value of probability that we get on putting random valus of r is -ve......then how can c option be the answer........GUYS PLZZ HELP......b himanshu19 asked Nov 14, 2017 himanshu19 649 views answer comment Share Follow See all 13 Comments See all 13 13 Comments reply Show 10 previous comments himanshu19 commented Nov 15, 2017 reply Follow Share okk...then i can assume a particular value then.....let r=4 0 votes 0 votes srestha commented Nov 15, 2017 reply Follow Share so, we are selecting 2 people from the group when 2 people birthday is same Why do u select 1 people? r-1 means selecting 1 people from the group 1 votes 1 votes himanshu19 commented Nov 15, 2017 reply Follow Share okk...i got it...but jst keep the value of r as 4......and see the answer 0 votes 0 votes Please log in or register to add a comment.