medium Set 37 Form Exercise

? → [+10] → 13

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Answer: 3

SubType
find-input
Rule
+10
Input
3
Output
13
Difficulty
medium

Input: 5 → [×3] → ?

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Answer: 15

SubType
find-output
Rule
×3
Input
5
Output
15
Difficulty
medium

Input: 3 → [+5] → ?

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Answer: 8

SubType
find-output
Rule
+5
Input
3
Output
8
Difficulty
medium

Input: 6 → [?] → 18, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
6
Output
18
Difficulty
medium

? → [+10] → 15

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Answer: 5

SubType
find-input
Rule
+10
Input
5
Output
15
Difficulty
medium

Input: 3 → [?] → 14, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
3
Output
14
Difficulty
medium

Input: 8 → [×2 + 1] → ?

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Answer: 17

SubType
find-output
Rule
×2 + 1
Input
8
Output
17
Difficulty
medium

? → [×3 - 2] → 28

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Answer: 10

SubType
find-input
Rule
×3 - 2
Input
10
Output
28
Difficulty
medium