medium Set 98 Form Exercise

Input: 8 → [?] → 24, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
8
Output
24
Difficulty
medium

Input: 2 → [+4 ×2] → ?

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Answer: 12

SubType
find-output
Rule
+4 ×2
Input
2
Output
12
Difficulty
medium

Input: 5 → [?] → 13, what is the rule?

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Answer: ×3 - 2

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

Input: 10 → [?] → 20, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
10
Output
20
Difficulty
medium

Input: 6 → [?] → 13, what is the rule?

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Answer: ×2 + 1

SubType
find-rule
Rule
×2 + 1
Input
6
Output
13
Difficulty
medium

? → [+2] → 6

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Answer: 4

SubType
find-input
Rule
+2
Input
4
Output
6
Difficulty
medium

Input: 2 → [×2 + 1] → ?

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Answer: 5

SubType
find-output
Rule
×2 + 1
Input
2
Output
5
Difficulty
medium

? → [×3] → 6

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Answer: 2

SubType
find-input
Rule
×3
Input
2
Output
6
Difficulty
medium