Sunday 4 August 2013

magic square 5


  Forty five of the numbers from 1 to 81 have been placed in the 9x9
  grid given below.


12

60

74

37

30
40
53

11

55
68
81

71

29

52

18

15

 2

73

 44

31 

47

10
23
 9

76

65

61

54

 13

 3 

 1

80

67

34

46
32
45

 4

79
56
69

63

49

39

 6















                                                magic square 9x9


Place the remaining numbers in the blank spaces in such a way that sum of nine numbers in every horizontal row, every vertical column, every 3x3 box and each corner to corner diagonal is 369.

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