medium Set 36 Form Exercise

Input: 4 → [?] → 16, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
4
Output
16
Difficulty
medium

Input: 7 → [?] → 21, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
7
Output
21
Difficulty
medium

Input: 7 → [+4 ×2] → ?

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Answer: 22

SubType
find-output
Rule
+4 ×2
Input
7
Output
22
Difficulty
medium

Input: 10 → [×5] → ?

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Answer: 50

SubType
find-output
Rule
×5
Input
10
Output
50
Difficulty
medium

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
medium

Input: 2 → [+2] → ?

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Answer: 4

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

? → [×2] → 20

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Answer: 10

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

? → [×2 + 1] → 17

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Answer: 8

SubType
find-input
Rule
×2 + 1
Input
8
Output
17
Difficulty
medium