easy Set 73 Form Exercise

Input: 2 → [?] → 4, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
2
Output
4
Difficulty
easy

Input: 6 → [?] → 5, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
6
Output
5
Difficulty
easy

Input: 2 → [?] → 1, what is the rule?

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Answer: -1

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

Input: 6 → [-1] → ?

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Answer: 5

SubType
find-output
Rule
-1
Input
6
Output
5
Difficulty
easy

? → [+5] → 14

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Answer: 9

SubType
find-input
Rule
+5
Input
9
Output
14
Difficulty
easy

Input: 9 → [?] → 14, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
9
Output
14
Difficulty
easy

? → [×3] → 6

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Answer: 2

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