medium Set 75 Form Exercise

Input: 9 → [?] → 11, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
9
Output
11
Difficulty
medium

? → [+5] → 10

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Answer: 5

SubType
find-input
Rule
+5
Input
5
Output
10
Difficulty
medium

Input: 9 → [×5] → ?

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Answer: 45

SubType
find-output
Rule
×5
Input
9
Output
45
Difficulty
medium

Input: 7 → [×3] → ?

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Answer: 21

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

Input: 10 → [?] → 30, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
10
Output
30
Difficulty
medium

Input: 3 → [×2 + 1] → ?

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Answer: 7

SubType
find-output
Rule
×2 + 1
Input
3
Output
7
Difficulty
medium

Input: 2 → [+10] → ?

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Answer: 12

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

Input: 1 → [×2] → ?

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Answer: 2

SubType
find-output
Rule
×2
Input
1
Output
2
Difficulty
medium