expert 4×4 Set 81 Form Exercise

Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [17 _ 13 | _ _ 18 | 15 _ 11]

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

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

Complete the magic square. Each row, column, and diagonal must sum to 33. Grid: [_ _ 8 | _ _ 13 | 14 7 12]

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Answer: 10 15 8 | 9 11 13 | 14 7 12

SubType
magic-square
Difficulty
expert
Grid
  • [null,null,8]
  • [null,null,13]
  • [14,7,12]
SolvedGrid
  • [10,15,8]
  • [9,11,13]
  • [14,7,12]
MagicConstant
33

Complete the magic square. Each row, column, and diagonal must sum to 15. Grid: [_ 1 6 | _ 5 _ | _ 9 2]

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

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

Complete the magic square. Each row, column, and diagonal must sum to 24. Grid: [11 6 7 | 4 _ 12 | _ _ _]

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

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