hard Set 81 Form Exercise

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

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Answer: +5

SubType
find-rule
Rule
+5
Input
5
Output
10
Difficulty
hard

Input: 5 → [+2] → ?

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Answer: 7

SubType
find-output
Rule
+2
Input
5
Output
7
Difficulty
hard

Input: 8 → [?] → 16, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
8
Output
16
Difficulty
hard

Input: 2 → [?] → 6, what is the rule?

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Answer: ×3

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

Input: 6 → [?] → 15, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
6
Output
15
Difficulty
hard

? → [+5] → 12

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Answer: 7

SubType
find-input
Rule
+5
Input
7
Output
12
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

Input: 1 → [×5] → ?

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Answer: 5

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