starter Set 60 Form Exercise

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

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Answer: -1

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

? → [×3] → 21

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Answer: 7

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

Input: 9 → [?] → 14, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
9
Output
14
Difficulty
starter

? → [×5] → 5

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Answer: 1

SubType
find-input
Rule
×5
Input
1
Output
5
Difficulty
starter

Input: 4 → [-1] → ?

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Answer: 3

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

Input: 2 → [+10] → ?

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Answer: 12

SubType
find-output
Rule
+10
Input
2
Output
12
Difficulty
starter

? → [+10] → 12

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Answer: 2

SubType
find-input
Rule
+10
Input
2
Output
12
Difficulty
starter

Input: 10 → [?] → 50, what is the rule?

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Answer: ×5

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