expert Set 99 Form Exercise

Input: 7 → [+5] → ?

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Answer: 12

SubType
find-output
Rule
+5
Input
7
Output
12
Difficulty
expert

? → [×2 + 1] → 5

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Answer: 2

SubType
find-input
Rule
×2 + 1
Input
2
Output
5
Difficulty
expert

Input: 2 → [×2 + 1] → ?

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Answer: 5

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

Input: 10 → [?] → 28, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
10
Output
28
Difficulty
expert

? → [-1] → 8

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Answer: 9

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

Input: 2 → [?] → 1, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
2
Output
1
Difficulty
expert

Input: 6 → [×2 + 3] → ?

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Answer: 15

SubType
find-output
Rule
×2 + 3
Input
6
Output
15
Difficulty
expert

Input: 6 → [×5] → ?

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Answer: 30

SubType
find-output
Rule
×5
Input
6
Output
30
Difficulty
expert