starter Set 30 Form Exercise

? → [-1] → 2

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Answer: 3

SubType
find-input
Rule
-1
Input
3
Output
2
Difficulty
starter

Input: 3 → [?] → 2, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
3
Output
2
Difficulty
starter

Input: 4 → [?] → 6, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
4
Output
6
Difficulty
starter

Input: 3 → [×5] → ?

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Answer: 15

SubType
find-output
Rule
×5
Input
3
Output
15
Difficulty
starter

Input: 4 → [?] → 12, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
4
Output
12
Difficulty
starter

Input: 8 → [?] → 40, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
8
Output
40
Difficulty
starter

Input: 4 → [+2] → ?

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Answer: 6

SubType
find-output
Rule
+2
Input
4
Output
6
Difficulty
starter

Input: 3 → [?] → 5, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
3
Output
5
Difficulty
starter