easy Set 81 Form Exercise

? → [-3] → 1

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Answer: 4

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

Input: 9 → [?] → 27, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
9
Output
27
Difficulty
normal

Input: 5 → [?] → 10, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
5
Output
10
Difficulty
normal

Input: 9 → [?] → 11, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
9
Output
11
Difficulty
normal

? → [×5] → 5

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Answer: 1

SubType
find-input
Rule
×5
Input
1
Output
5
Difficulty
normal

Input: 3 → [?] → 5, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
3
Output
5
Difficulty
normal

Input: 5 → [×3] → ?

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Answer: 15

SubType
find-output
Rule
×3
Input
5
Output
15
Difficulty
normal

? → [×3] → 3

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Answer: 1

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