medium Set 96 Form Exercise

? → [-1] → 7

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Answer: 8

SubType
find-input
Rule
-1
Input
8
Output
7
Difficulty
medium

Input: 1 → [×5] → ?

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Answer: 5

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

Input: 10 → [+2] → ?

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Answer: 12

SubType
find-output
Rule
+2
Input
10
Output
12
Difficulty
medium

? → [×5] → 45

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Answer: 9

SubType
find-input
Rule
×5
Input
9
Output
45
Difficulty
medium

? → [×2 + 1] → 5

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Answer: 2

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

? → [×2 + 1] → 17

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Answer: 8

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

? → [+2] → 10

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Answer: 8

SubType
find-input
Rule
+2
Input
8
Output
10
Difficulty
medium

Input: 6 → [?] → 12, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
6
Output
12
Difficulty
medium