starter Set 99 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
starter

Input: 3 → [?] → 9, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
3
Output
9
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

Input: 4 → [-3] → ?

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Answer: 1

SubType
find-output
Rule
-3
Input
4
Output
1
Difficulty
starter

Input: 3 → [?] → 0, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
3
Output
0
Difficulty
starter

Input: 10 → [?] → 9, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
10
Output
9
Difficulty
starter

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

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Answer: +10

SubType
find-rule
Rule
+10
Input
10
Output
20
Difficulty
starter