expert Set 41 Form Exercise

Input: 10 → [+5] → ?

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Answer: 15

SubType
find-output
Rule
+5
Input
10
Output
15
Difficulty
expert

? → [×2 + 1] → 15

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Answer: 7

SubType
find-input
Rule
×2 + 1
Input
7
Output
15
Difficulty
expert

Input: 3 → [?] → 5, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
3
Output
5
Difficulty
expert

? → [×3] → 9

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Answer: 3

SubType
find-input
Rule
×3
Input
3
Output
9
Difficulty
expert

Input: 8 → [×3] → ?

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Answer: 24

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

Input: 9 → [+4 ×2] → ?

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Answer: 26

SubType
find-output
Rule
+4 ×2
Input
9
Output
26
Difficulty
expert

Input: 2 → [×2 + 3] → ?

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Answer: 7

SubType
find-output
Rule
×2 + 3
Input
2
Output
7
Difficulty
expert

Input: 7 → [?] → 19, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
7
Output
19
Difficulty
expert