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Number Chain Patterns Hard — Set 25

Arithmetic B

hard Set 25 Form Exercise

Number Chain: 12 → x4 → x4 → -80 → +1 → x5 → ?

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Answer: 565

SubType: number-chain
Start: 12
Steps: {"op":"x","operand":4}
{"op":"x","operand":4}
{"op":"-","operand":80}
{"op":"+","operand":1}
{"op":"x","operand":5}
Difficulty: hard

Number Chain: 1 → +6 → -5 → x4 → +6 → x5 → ?

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Answer: 70

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

Number Chain: 8 → +1 → -3 → x2 → +4 → -5 → ?

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Answer: 11

SubType: number-chain
Start: 8
Steps: {"op":"+","operand":1}
{"op":"-","operand":3}
{"op":"x","operand":2}
{"op":"+","operand":4}
{"op":"-","operand":5}
Difficulty: hard

Number Chain: 1 → -1 → -1 → x2 → +2 → -1 → ?

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Answer: -1

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

Number Chain: 11 → -9 → -1 → -1 → +1 → x3 → ?

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Answer: 3

SubType: number-chain
Start: 11
Steps: {"op":"-","operand":9}
{"op":"-","operand":1}
{"op":"-","operand":1}
{"op":"+","operand":1}
{"op":"x","operand":3}
Difficulty: hard

Number Chain: 4 → x2 → -3 → x5 → -23 → x2 → ?

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Answer: 4

SubType: number-chain
Start: 4
Steps: {"op":"x","operand":2}
{"op":"-","operand":3}
{"op":"x","operand":5}
{"op":"-","operand":23}
{"op":"x","operand":2}
Difficulty: hard

Number Chain: 5 → -3 → -1 → -1 → -1 → +1 → ?

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

Number Chain: 5 → +3 → x3 → +10 → x4 → x3 → ?

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Answer: 408

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

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