hard Set 95 Form Exercise

Number Chain: 11 → x3 → +7 → x5 → -166 → x5 → ?

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Answer: 170

SubType
number-chain
Start
11
Steps
  • {"op":"x","operand":3}
  • {"op":"+","operand":7}
  • {"op":"x","operand":5}
  • {"op":"-","operand":166}
  • {"op":"x","operand":5}
Difficulty
hard

Number Chain: 2 → +3 → +12 → -7 → -5 → -4 → ?

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Answer: 1

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":3}
  • {"op":"+","operand":12}
  • {"op":"-","operand":7}
  • {"op":"-","operand":5}
  • {"op":"-","operand":4}
Difficulty
hard

Number Chain: 2 → +5 → x3 → -13 → x5 → x4 → ?

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Answer: 160

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":5}
  • {"op":"x","operand":3}
  • {"op":"-","operand":13}
  • {"op":"x","operand":5}
  • {"op":"x","operand":4}
Difficulty
hard

Number Chain: 8 → +12 → +10 → x2 → -29 → +6 → ?

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Answer: 37

SubType
number-chain
Start
8
Steps
  • {"op":"+","operand":12}
  • {"op":"+","operand":10}
  • {"op":"x","operand":2}
  • {"op":"-","operand":29}
  • {"op":"+","operand":6}
Difficulty
hard

Number Chain: 9 → -2 → +12 → -2 → +9 → x4 → ?

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Answer: 104

SubType
number-chain
Start
9
Steps
  • {"op":"-","operand":2}
  • {"op":"+","operand":12}
  • {"op":"-","operand":2}
  • {"op":"+","operand":9}
  • {"op":"x","operand":4}
Difficulty
hard

Number Chain: 6 → -4 → x5 → -6 → +8 → x2 → ?

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Answer: 24

SubType
number-chain
Start
6
Steps
  • {"op":"-","operand":4}
  • {"op":"x","operand":5}
  • {"op":"-","operand":6}
  • {"op":"+","operand":8}
  • {"op":"x","operand":2}
Difficulty
hard

Number Chain: 6 → +10 → +9 → x3 → +4 → +8 → ?

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Answer: 87

SubType
number-chain
Start
6
Steps
  • {"op":"+","operand":10}
  • {"op":"+","operand":9}
  • {"op":"x","operand":3}
  • {"op":"+","operand":4}
  • {"op":"+","operand":8}
Difficulty
hard

Number Chain: 6 → x4 → x3 → +9 → x5 → +10 → ?

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Answer: 415

SubType
number-chain
Start
6
Steps
  • {"op":"x","operand":4}
  • {"op":"x","operand":3}
  • {"op":"+","operand":9}
  • {"op":"x","operand":5}
  • {"op":"+","operand":10}
Difficulty
hard