hard 5×5 Set 20 Form Exercise

Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [_ 16 _ | 18 _ _ | _ _ 17]

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Answer: 11 16 15 | 18 14 10 | 13 12 17

SubType
magic-square
Difficulty
hard
Grid
  • [null,16,null]
  • [18,null,null]
  • [null,null,17]
SolvedGrid
  • [11,16,15]
  • [18,14,10]
  • [13,12,17]
MagicConstant
42

Complete the magic square. Each row, column, and diagonal must sum to 24. Grid: [_ _ 11 | _ 8 6 | _ _ _]

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Answer: 9 4 11 | 10 8 6 | 5 12 7

SubType
magic-square
Difficulty
hard
Grid
  • [null,null,11]
  • [null,8,6]
  • [null,null,null]
SolvedGrid
  • [9,4,11]
  • [10,8,6]
  • [5,12,7]
MagicConstant
24

Complete the magic square. Each row, column, and diagonal must sum to 15. Grid: [_ _ 4 | _ 5 _ | 6 _ _]

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Answer: 8 3 4 | 1 5 9 | 6 7 2

SubType
magic-square
Difficulty
hard
Grid
  • [null,null,4]
  • [null,5,null]
  • [6,null,null]
SolvedGrid
  • [8,3,4]
  • [1,5,9]
  • [6,7,2]
MagicConstant
15

Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [_ _ _ | 18 _ 10 | _ 16 _]

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Answer: 13 12 17 | 18 14 10 | 11 16 15

SubType
magic-square
Difficulty
hard
Grid
  • [null,null,null]
  • [18,null,10]
  • [null,16,null]
SolvedGrid
  • [13,12,17]
  • [18,14,10]
  • [11,16,15]
MagicConstant
42