hard Set 14 Form Exercise

Input: 7 → [?] → 14, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
7
Output
14
Difficulty
hard

Input: 6 → [×5] → ?

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Answer: 30

SubType
find-output
Rule
×5
Input
6
Output
30
Difficulty
hard

Input: 5 → [×5] → ?

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Answer: 25

SubType
find-output
Rule
×5
Input
5
Output
25
Difficulty
hard

? → [+2] → 9

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Answer: 7

SubType
find-input
Rule
+2
Input
7
Output
9
Difficulty
hard

? → [+4 ×2] → 14

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Answer: 3

SubType
find-input
Rule
+4 ×2
Input
3
Output
14
Difficulty
hard

Input: 2 → [×2] → ?

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Answer: 4

SubType
find-output
Rule
×2
Input
2
Output
4
Difficulty
hard

Input: 9 → [?] → 26, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
9
Output
26
Difficulty
hard