hard Set 42 Form Exercise

Input: 4 → [?] → 14, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
4
Output
14
Difficulty
hard

? → [+2] → 6

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Answer: 4

SubType
find-input
Rule
+2
Input
4
Output
6
Difficulty
hard

Input: 8 → [?] → 22, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
8
Output
22
Difficulty
hard

Input: 8 → [+5] → ?

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Answer: 13

SubType
find-output
Rule
+5
Input
8
Output
13
Difficulty
hard

? → [+10] → 12

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Answer: 2

SubType
find-input
Rule
+10
Input
2
Output
12
Difficulty
hard

? → [×3] → 9

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Answer: 3

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

Input: 3 → [?] → 5, what is the rule?

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Answer: +2

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

Input: 6 → [×3 - 2] → ?

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Answer: 16

SubType
find-output
Rule
×3 - 2
Input
6
Output
16
Difficulty
hard