starter Set 90 Form Exercise

Input: 6 → [×2] → ?

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Answer: 12

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

Input: 7 → [×3] → ?

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Answer: 21

SubType
find-output
Rule
×3
Input
7
Output
21
Difficulty
starter

Input: 3 → [?] → 15, what is the rule?

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Answer: ×5

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

? → [-1] → 2

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Answer: 3

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

? → [+2] → 7

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Answer: 5

SubType
find-input
Rule
+2
Input
5
Output
7
Difficulty
starter

Input: 8 → [+2] → ?

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Answer: 10

SubType
find-output
Rule
+2
Input
8
Output
10
Difficulty
starter

Input: 2 → [×5] → ?

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Answer: 10

SubType
find-output
Rule
×5
Input
2
Output
10
Difficulty
starter

Input: 7 → [?] → 17, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
7
Output
17
Difficulty
starter