hard Set 96 Form Exercise

Number Chain: 7 → +10 → -16 → x2 → x5 → -2 → ?

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Answer: 8

SubType
number-chain
Start
7
Steps
  • {"op":"+","operand":10}
  • {"op":"-","operand":16}
  • {"op":"x","operand":2}
  • {"op":"x","operand":5}
  • {"op":"-","operand":2}
Difficulty
hard

Number Chain: 2 → +5 → x2 → +11 → +12 → +9 → ?

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Answer: 46

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":5}
  • {"op":"x","operand":2}
  • {"op":"+","operand":11}
  • {"op":"+","operand":12}
  • {"op":"+","operand":9}
Difficulty
hard

Number Chain: 2 → +6 → +6 → x2 → x4 → -35 → ?

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Answer: 77

SubType
number-chain
Start
2
Steps
  • {"op":"+","operand":6}
  • {"op":"+","operand":6}
  • {"op":"x","operand":2}
  • {"op":"x","operand":4}
  • {"op":"-","operand":35}
Difficulty
hard

Number Chain: 1 → +2 → x3 → +2 → -8 → +7 → ?

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Answer: 10

SubType
number-chain
Start
1
Steps
  • {"op":"+","operand":2}
  • {"op":"x","operand":3}
  • {"op":"+","operand":2}
  • {"op":"-","operand":8}
  • {"op":"+","operand":7}
Difficulty
hard

Number Chain: 10 → x2 → +3 → +3 → +5 → x3 → ?

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Answer: 93

SubType
number-chain
Start
10
Steps
  • {"op":"x","operand":2}
  • {"op":"+","operand":3}
  • {"op":"+","operand":3}
  • {"op":"+","operand":5}
  • {"op":"x","operand":3}
Difficulty
hard

Number Chain: 5 → x4 → +2 → +9 → -4 → -26 → ?

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Answer: 1

SubType
number-chain
Start
5
Steps
  • {"op":"x","operand":4}
  • {"op":"+","operand":2}
  • {"op":"+","operand":9}
  • {"op":"-","operand":4}
  • {"op":"-","operand":26}
Difficulty
hard

Number Chain: 10 → -8 → -1 → +5 → x2 → +11 → ?

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Answer: 23

SubType
number-chain
Start
10
Steps
  • {"op":"-","operand":8}
  • {"op":"-","operand":1}
  • {"op":"+","operand":5}
  • {"op":"x","operand":2}
  • {"op":"+","operand":11}
Difficulty
hard

Number Chain: 4 → x5 → x5 → -58 → +5 → x2 → ?

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Answer: 94

SubType
number-chain
Start
4
Steps
  • {"op":"x","operand":5}
  • {"op":"x","operand":5}
  • {"op":"-","operand":58}
  • {"op":"+","operand":5}
  • {"op":"x","operand":2}
Difficulty
hard