hard Set 42 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, 27, 24] → [11, _, _, _] → [_, 9, 5, 8, _]

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Answer: Row5[5]=3, Row5[1]=2, Row4[2]=14, Row2[1]=52, Row2[2]=51, Row4[3]=13, Row1[1]=103, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [52,51]
  • [25,27,24]
  • [11,14,13,11]
  • [2,9,5,8,3]
Base
  • 2
  • 9
  • 5
  • 8
  • 3
TopValue
103
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":1,"v":14}
  • {"r":1,"c":0,"v":52}
  • {"r":1,"c":1,"v":51}
  • {"r":3,"c":2,"v":13}
  • {"r":0,"c":0,"v":103}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [9, 8, 9, 12] → [2, _, 1, 8, _]

Show answer

Answer: Row1[1]=72, Row3[2]=17, Row2[1]=34, Row3[1]=17, Row2[2]=38, Row3[3]=21, Row5[2]=7, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [34,38]
  • [17,17,21]
  • [9,8,9,12]
  • [2,7,1,8,4]
Base
  • 2
  • 7
  • 1
  • 8
  • 4
TopValue
72
HiddenCells
  • {"r":0,"c":0,"v":72}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":2,"v":21}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [43, 44] → [_, 20, 24] → [_, _, _, 15] → [_, _, _, 6, _]

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Answer: Row5[1]=4, Row4[3]=9, Row5[2]=8, Row3[1]=23, Row4[2]=11, Row4[1]=12, Row5[5]=9, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [43,44]
  • [23,20,24]
  • [12,11,9,15]
  • [4,8,3,6,9]
Base
  • 4
  • 8
  • 3
  • 6
  • 9
TopValue
87
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":0,"v":23}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, _] → [_, 31, 24] → [8, 15, 16, _] → [_, _, _, _, 2]

Show answer

Answer: Row5[3]=10, Row3[1]=23, Row5[4]=6, Row5[2]=5, Row1[1]=109, Row5[1]=3, Row4[4]=8, Row2[2]=55

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [54,55]
  • [23,31,24]
  • [8,15,16,8]
  • [3,5,10,6,2]
Base
  • 3
  • 5
  • 10
  • 6
  • 2
TopValue
109
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":5}
  • {"r":0,"c":0,"v":109}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":1,"v":55}