easy Set 88 Form Exercise

? → [×2] → 6

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Answer: 3

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

Input: 8 → [?] → 7, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
8
Output
7
Difficulty
easy

? → [+2] → 9

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Answer: 7

SubType
find-input
Rule
+2
Input
7
Output
9
Difficulty
easy

? → [+2] → 6

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Answer: 4

SubType
find-input
Rule
+2
Input
4
Output
6
Difficulty
easy

? → [-1] → 1

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Answer: 2

SubType
find-input
Rule
-1
Input
2
Output
1
Difficulty
easy

? → [×2] → 8

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Answer: 4

SubType
find-input
Rule
×2
Input
4
Output
8
Difficulty
easy

Input: 8 → [?] → 16, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
8
Output
16
Difficulty
easy

Input: 5 → [?] → 10, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
5
Output
10
Difficulty
easy