starter Set 69 Form Exercise

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

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Answer: ×2

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

Input: 6 → [-1] → ?

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Answer: 5

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

? → [×5] → 50

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Answer: 10

SubType
find-input
Rule
×5
Input
10
Output
50
Difficulty
starter

Input: 5 → [?] → 15, what is the rule?

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Answer: ×3

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

Input: 9 → [×3] → ?

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Answer: 27

SubType
find-output
Rule
×3
Input
9
Output
27
Difficulty
starter

Input: 10 → [?] → 20, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
10
Output
20
Difficulty
starter

Input: 2 → [?] → 4, what is the rule?

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Answer: +2

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

? → [+10] → 18

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Answer: 8

SubType
find-input
Rule
+10
Input
8
Output
18
Difficulty
starter