hard Set 95 Form Exercise

? → [×3] → 3

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Answer: 1

SubType
find-input
Rule
×3
Input
1
Output
3
Difficulty
hard

? → [-1] → 2

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Answer: 3

SubType
find-input
Rule
-1
Input
3
Output
2
Difficulty
hard

? → [-1] → 5

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Answer: 6

SubType
find-input
Rule
-1
Input
6
Output
5
Difficulty
hard

Input: 4 → [?] → 8, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
4
Output
8
Difficulty
hard

? → [+2] → 3

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Answer: 1

SubType
find-input
Rule
+2
Input
1
Output
3
Difficulty
hard

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

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Answer: ×2

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

Input: 5 → [?] → 15, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
5
Output
15
Difficulty
hard