expert Set 72 Form Exercise

Input: 2 → [+2] → ?

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Answer: 4

SubType
find-output
Rule
+2
Input
2
Output
4
Difficulty
expert

Input: 1 → [?] → 3, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
1
Output
3
Difficulty
expert

Input: 8 → [?] → 16, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
8
Output
16
Difficulty
expert

? → [×3 - 2] → 16

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Answer: 6

SubType
find-input
Rule
×3 - 2
Input
6
Output
16
Difficulty
expert

Input: 1 → [?] → 6, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
1
Output
6
Difficulty
expert

? → [-3] → 0

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Answer: 3

SubType
find-input
Rule
-3
Input
3
Output
0
Difficulty
expert

Input: 6 → [?] → 12, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
6
Output
12
Difficulty
expert

? → [-1] → 3

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Answer: 4

SubType
find-input
Rule
-1
Input
4
Output
3
Difficulty
expert