hard Set 32 Form Exercise

? → [-3] → 6

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Answer: 9

SubType
find-input
Rule
-3
Input
9
Output
6
Difficulty
hard

? → [×2] → 20

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Answer: 10

SubType
find-input
Rule
×2
Input
10
Output
20
Difficulty
hard

? → [×5] → 5

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Answer: 1

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

Input: 5 → [?] → 13, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
5
Output
13
Difficulty
hard

Input: 5 → [×2 + 3] → ?

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Answer: 13

SubType
find-output
Rule
×2 + 3
Input
5
Output
13
Difficulty
hard

Input: 10 → [?] → 28, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
10
Output
28
Difficulty
hard

Input: 6 → [×3] → ?

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Answer: 18

SubType
find-output
Rule
×3
Input
6
Output
18
Difficulty
hard

Input: 1 → [?] → 10, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
1
Output
10
Difficulty
hard