Page 111 - year book 22-23(22.08)
P. 111

1.

                     2            6        If we add each row and column we will get 15.  Also add the
                                           diagonals to get 15
                                           Note : Use numbers from 1 to 9

                                  8






              2.



                          70            20
                                                           If we add each row and column we will get 170.  Also add
                          35     30     45      the diagonals to get 170


                    40  55       50





                 3.   5648 = 54                     Hint : 5x + 3y
                       9876 = 58                     x = 2 digit of the number
                                                          nd
                       4959 = 72                     y = 4 digit of the number
                                                          th
                       4892 =  ?




                 Answers:1.      2     7    6           2.    5     70    75    20           3.    46
                                        9     5     1                 60    35    30    45
                                        4     3     8                 40    55    50    25
                                                                         65    10    15    80





                                                                                                                   H.P.Madhuvanthi



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