easy Set 61 Form Exercise

Input: 7 → [?] → 9, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
7
Output
9
Difficulty
normal

Input: 9 → [?] → 45, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
9
Output
45
Difficulty
normal

Input: 1 → [?] → 3, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
1
Output
3
Difficulty
normal

Input: 3 → [?] → 6, what is the rule?

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Answer: ×2

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

? → [+10] → 15

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Answer: 5

SubType
find-input
Rule
+10
Input
5
Output
15
Difficulty
normal

? → [+2] → 7

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Answer: 5

SubType
find-input
Rule
+2
Input
5
Output
7
Difficulty
normal

? → [×5] → 50

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Answer: 10

SubType
find-input
Rule
×5
Input
10
Output
50
Difficulty
normal

Input: 7 → [?] → 17, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
7
Output
17
Difficulty
normal