starter Set 66 Form Exercise

? → [+2] → 9

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Answer: 7

SubType
find-input
Rule
+2
Input
7
Output
9
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: 7 → [?] → 9, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
7
Output
9
Difficulty
starter

? → [+5] → 8

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Answer: 3

SubType
find-input
Rule
+5
Input
3
Output
8
Difficulty
starter

Input: 4 → [+2] → ?

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Answer: 6

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

Input: 4 → [?] → 20, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
4
Output
20
Difficulty
starter

? → [+10] → 20

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Answer: 10

SubType
find-input
Rule
+10
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