medium Set 94 Form Exercise

Input: 6 → [?] → 20, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
6
Output
20
Difficulty
medium

? → [×3] → 30

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Answer: 10

SubType
find-input
Rule
×3
Input
10
Output
30
Difficulty
medium

Input: 7 → [?] → 35, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
7
Output
35
Difficulty
medium

? → [×3 - 2] → 13

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Answer: 5

SubType
find-input
Rule
×3 - 2
Input
5
Output
13
Difficulty
medium

? → [×2 + 1] → 3

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Answer: 1

SubType
find-input
Rule
×2 + 1
Input
1
Output
3
Difficulty
medium

? → [-1] → 8

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Answer: 9

SubType
find-input
Rule
-1
Input
9
Output
8
Difficulty
medium

Input: 6 → [?] → 3, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
6
Output
3
Difficulty
medium

Input: 8 → [×3] → ?

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Answer: 24

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