medium Set 41 Form Exercise

? → [×2] → 8

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Answer: 4

SubType
find-input
Rule
×2
Input
4
Output
8
Difficulty
medium

Input: 7 → [?] → 12, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
7
Output
12
Difficulty
medium

Input: 3 → [?] → 7, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
3
Output
7
Difficulty
medium

Input: 4 → [×2 + 1] → ?

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Answer: 9

SubType
find-output
Rule
×2 + 1
Input
4
Output
9
Difficulty
medium

Input: 3 → [?] → 14, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
3
Output
14
Difficulty
medium

? → [+5] → 11

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Answer: 6

SubType
find-input
Rule
+5
Input
6
Output
11
Difficulty
medium

Input: 6 → [×3] → ?

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Answer: 18

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

Input: 8 → [×3] → ?

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Answer: 24

SubType
find-output
Rule
×3
Input
8
Output
24
Difficulty
medium