0 votes 0 votes nandini gupta asked Sep 13, 2018 nandini gupta 243 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply arvin commented Sep 13, 2018 reply Follow Share 1051? 0 votes 0 votes nandini gupta commented Sep 13, 2018 reply Follow Share 1061 0 votes 0 votes arvin commented Sep 13, 2018 reply Follow Share yes 1061.. as it will be stored row wise and first element will be at [0,0] so for element at [10,6] ... we will traverse 10 row and than 6th element.. = (10 *11) / 2 + 6 = 55+6 =61 ( n*(n+1)/2 for 10 rows as elements are stored in lower triangular matrix form) =1000 +61 = 1061 now correct 0 votes 0 votes Please log in or register to add a comment.