medium Set 85 Form Exercise

? → [×2 + 3] → 15

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Answer: 6

SubType
find-input
Rule
×2 + 3
Input
6
Output
15
Difficulty
medium

Input: 7 → [×5] → ?

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Answer: 35

SubType
find-output
Rule
×5
Input
7
Output
35
Difficulty
medium

Input: 7 → [×3 - 2] → ?

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Answer: 19

SubType
find-output
Rule
×3 - 2
Input
7
Output
19
Difficulty
medium

Input: 4 → [×5] → ?

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Answer: 20

SubType
find-output
Rule
×5
Input
4
Output
20
Difficulty
medium

? → [×5] → 20

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Answer: 4

SubType
find-input
Rule
×5
Input
4
Output
20
Difficulty
medium

Input: 10 → [?] → 12, what is the rule?

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Answer: +2

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

Input: 4 → [×3] → ?

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Answer: 12

SubType
find-output
Rule
×3
Input
4
Output
12
Difficulty
medium

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

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
7
Output
17
Difficulty
medium