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High group patterns practice

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    practice
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  • What is the rule:
    -2
  •  20
  • What is the rule:
    x10
  •  20
  • What is the rule:
    x3
  •  20
  • What is the missing number: ___, 21, 33, 45
    9
  •  15
  • What is the missing output
    10
  •  20
  • What is the missing input
    9
  •  20
  • What is the rule: 15, 30, 45, 60
    +15
  •  15
  • What is the rule: 3, 0, 0, 0, 0, 0
    x0
  •  20
  • What is the rule: 16, 25, 34, 43
    +9
  •  15
  • What is the rule: 81, 74, 67, 60
    -7
  •  15
  • What is the missing number: 55, 66, ___, 88, 99
    77
  •  15
  • What is the missing number: ___, 34, 26, 18, 10
    42
  •  15
  • What is the rule: 5, 25, 125, 625
    x5
  •  15