medium Set 100 Form Exercise

? → [×3] → 18

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Answer: 6

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

Input: 2 → [?] → 4, what is the rule?

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Answer: +2

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

? → [-1] → 3

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Answer: 4

SubType
find-input
Rule
-1
Input
4
Output
3
Difficulty
medium

Input: 6 → [+2] → ?

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Answer: 8

SubType
find-output
Rule
+2
Input
6
Output
8
Difficulty
medium

? → [+4 ×2] → 24

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Answer: 8

SubType
find-input
Rule
+4 ×2
Input
8
Output
24
Difficulty
medium

Input: 8 → [×3 - 2] → ?

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Answer: 22

SubType
find-output
Rule
×3 - 2
Input
8
Output
22
Difficulty
medium

Input: 10 → [+10] → ?

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Answer: 20

SubType
find-output
Rule
+10
Input
10
Output
20
Difficulty
medium

Input: 9 → [?] → 19, what is the rule?

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Answer: ×2 + 1

SubType
find-rule
Rule
×2 + 1
Input
9
Output
19
Difficulty
medium