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Number Chain Mixed Hard — Set 41

Arithmetic B

hard Set 41 Form Exercise

Number Chain: 4 → -3 → +3 → x3 → x2 → +6 → ?

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Answer: 30

SubType: number-chain
Start: 4
Steps: {"op":"-","operand":3}
{"op":"+","operand":3}
{"op":"x","operand":3}
{"op":"x","operand":2}
{"op":"+","operand":6}
Difficulty: hard

Number Chain: 4 → -3 → -1 → x5 → +1 → -1 → ?

SubType: number-chain
Start: 4
Steps: {"op":"-","operand":3}
{"op":"-","operand":1}
{"op":"x","operand":5}
{"op":"+","operand":1}
{"op":"-","operand":1}
Difficulty: hard

Number Chain: 9 → +8 → +12 → -21 → -4 → +2 → ?

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Answer: 6

SubType: number-chain
Start: 9
Steps: {"op":"+","operand":8}
{"op":"+","operand":12}
{"op":"-","operand":21}
{"op":"-","operand":4}
{"op":"+","operand":2}
Difficulty: hard

Number Chain: 7 → +11 → +12 → -4 → +2 → +1 → ?

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Answer: 29

SubType: number-chain
Start: 7
Steps: {"op":"+","operand":11}
{"op":"+","operand":12}
{"op":"-","operand":4}
{"op":"+","operand":2}
{"op":"+","operand":1}
Difficulty: hard

Number Chain: 6 → x4 → +6 → x3 → +12 → -45 → ?

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Answer: 57

SubType: number-chain
Start: 6
Steps: {"op":"x","operand":4}
{"op":"+","operand":6}
{"op":"x","operand":3}
{"op":"+","operand":12}
{"op":"-","operand":45}
Difficulty: hard

Number Chain: 6 → x5 → x3 → x4 → +1 → -121 → ?

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Answer: 240

SubType: number-chain
Start: 6
Steps: {"op":"x","operand":5}
{"op":"x","operand":3}
{"op":"x","operand":4}
{"op":"+","operand":1}
{"op":"-","operand":121}
Difficulty: hard

Number Chain: 5 → +3 → x2 → +8 → -15 → -8 → ?

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Answer: 1

SubType: number-chain
Start: 5
Steps: {"op":"+","operand":3}
{"op":"x","operand":2}
{"op":"+","operand":8}
{"op":"-","operand":15}
{"op":"-","operand":8}
Difficulty: hard

Number Chain: 12 → -1 → -2 → +6 → +4 → +11 → ?

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Answer: 30

SubType: number-chain
Start: 12
Steps: {"op":"-","operand":1}
{"op":"-","operand":2}
{"op":"+","operand":6}
{"op":"+","operand":4}
{"op":"+","operand":11}
Difficulty: hard

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