easy Set 43 Form Exercise

? → [+2] → 8

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Answer: 6

SubType
find-input
Rule
+2
Input
6
Output
8
Difficulty
normal

? → [-1] → 3

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Answer: 4

SubType
find-input
Rule
-1
Input
4
Output
3
Difficulty
normal

? → [×2] → 6

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Answer: 3

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

Input: 3 → [?] → 6, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
3
Output
6
Difficulty
normal

? → [-3] → 4

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Answer: 7

SubType
find-input
Rule
-3
Input
7
Output
4
Difficulty
normal

? → [×2] → 12

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Answer: 6

SubType
find-input
Rule
×2
Input
6
Output
12
Difficulty
normal

Input: 10 → [?] → 15, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
10
Output
15
Difficulty
normal

Input: 9 → [-3] → ?

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Answer: 6

SubType
find-output
Rule
-3
Input
9
Output
6
Difficulty
normal