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): [64] → [41, 23] → [25, _, 7] → [_, _, 4, _] → [_, _, _, _, 1]

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Answer: Row4[1]=13, Row5[3]=2, Row3[2]=16, Row5[4]=2, Row4[2]=12, Row5[1]=3, Row5[2]=10, Row4[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [41,23]
  • [25,16,7]
  • [13,12,4,3]
  • [3,10,2,2,1]
Base
  • 3
  • 10
  • 2
  • 2
  • 1
TopValue
64
HiddenCells
  • {"r":3,"c":0,"v":13}
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, _] → [19, _, _] → [7, _, _, 15] → [_, 2, 10, _, 7]

Show answer

Answer: Row4[3]=18, Row3[3]=33, Row3[2]=30, Row5[1]=5, Row4[2]=12, Row5[4]=8, Row1[1]=112, Row2[2]=63

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [49,63]
  • [19,30,33]
  • [7,12,18,15]
  • [5,2,10,8,7]
Base
  • 5
  • 2
  • 10
  • 8
  • 7
TopValue
112
HiddenCells
  • {"r":3,"c":2,"v":18}
  • {"r":2,"c":2,"v":33}
  • {"r":2,"c":1,"v":30}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":3,"v":8}
  • {"r":0,"c":0,"v":112}
  • {"r":1,"c":1,"v":63}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [20, 14, _] → [12, 8, _, _] → [6, _, 2, 4, _]

Show answer

Answer: Row1[1]=63, Row4[4]=9, Row5[2]=6, Row3[3]=15, Row2[1]=34, Row5[5]=5, Row4[3]=6, Row2[2]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [34,29]
  • [20,14,15]
  • [12,8,6,9]
  • [6,6,2,4,5]
Base
  • 6
  • 6
  • 2
  • 4
  • 5
TopValue
63
HiddenCells
  • {"r":0,"c":0,"v":63}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":15}
  • {"r":1,"c":0,"v":34}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, 50] → [_, _, _] → [6, _, _, _] → [5, 1, 3, _, 10]

Show answer

Answer: Row3[3]=33, Row4[2]=4, Row4[3]=13, Row3[1]=10, Row5[4]=10, Row3[2]=17, Row2[1]=27, Row4[4]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [27,50]
  • [10,17,33]
  • [6,4,13,20]
  • [5,1,3,10,10]
Base
  • 5
  • 1
  • 3
  • 10
  • 10
TopValue
77
HiddenCells
  • {"r":2,"c":2,"v":33}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":0,"v":10}
  • {"r":4,"c":3,"v":10}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":3,"v":20}