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Number Chain Mixed Hard — Set 48

Arithmetic B

hard Set 48 Form Exercise

Number Chain: 12 → x4 → x5 → x3 → -581 → x4 → ?

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Answer: 556

SubType: number-chain
Start: 12
Steps: {"op":"x","operand":4}
{"op":"x","operand":5}
{"op":"x","operand":3}
{"op":"-","operand":581}
{"op":"x","operand":4}
Difficulty: hard

Number Chain: 8 → x2 → +5 → -16 → -2 → -2 → ?

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Answer: 1

SubType: number-chain
Start: 8
Steps: {"op":"x","operand":2}
{"op":"+","operand":5}
{"op":"-","operand":16}
{"op":"-","operand":2}
{"op":"-","operand":2}
Difficulty: hard

Number Chain: 3 → x3 → -4 → -3 → -1 → -1 → ?

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

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

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Answer: -1

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

Number Chain: 3 → -1 → -1 → x4 → +12 → x3 → ?

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Answer: 48

SubType: number-chain
Start: 3
Steps: {"op":"-","operand":1}
{"op":"-","operand":1}
{"op":"x","operand":4}
{"op":"+","operand":12}
{"op":"x","operand":3}
Difficulty: hard

Number Chain: 10 → -2 → x5 → x2 → +7 → -86 → ?

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Answer: 1

SubType: number-chain
Start: 10
Steps: {"op":"-","operand":2}
{"op":"x","operand":5}
{"op":"x","operand":2}
{"op":"+","operand":7}
{"op":"-","operand":86}
Difficulty: hard

Number Chain: 3 → +3 → x3 → -12 → +9 → +4 → ?

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Answer: 19

SubType: number-chain
Start: 3
Steps: {"op":"+","operand":3}
{"op":"x","operand":3}
{"op":"-","operand":12}
{"op":"+","operand":9}
{"op":"+","operand":4}
Difficulty: hard

Number Chain: 12 → +1 → x2 → x2 → x3 → x5 → ?

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Answer: 780

SubType: number-chain
Start: 12
Steps: {"op":"+","operand":1}
{"op":"x","operand":2}
{"op":"x","operand":2}
{"op":"x","operand":3}
{"op":"x","operand":5}
Difficulty: hard

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