medium Set 95 Form Exercise

? → [+5] → 15

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Answer: 10

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

? → [-1] → 5

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Answer: 6

SubType
find-input
Rule
-1
Input
6
Output
5
Difficulty
medium

Input: 2 → [?] → 12, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
2
Output
12
Difficulty
medium

Input: 6 → [+2] → ?

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Answer: 8

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

Input: 3 → [?] → 6, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
3
Output
6
Difficulty
medium

Input: 3 → [?] → 13, what is the rule?

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Answer: +10

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

Input: 6 → [×2] → ?

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Answer: 12

SubType
find-output
Rule
×2
Input
6
Output
12
Difficulty
medium

Input: 9 → [?] → 18, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
9
Output
18
Difficulty
medium