medium Set 48 Form Exercise

Input: 10 → [+2] → ?

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Answer: 12

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

Input: 1 → [?] → 6, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
1
Output
6
Difficulty
medium

? → [×3] → 30

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Answer: 10

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

? → [×3] → 27

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Answer: 9

SubType
find-input
Rule
×3
Input
9
Output
27
Difficulty
medium

? → [+2] → 12

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Answer: 10

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

Input: 9 → [×2 + 3] → ?

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Answer: 21

SubType
find-output
Rule
×2 + 3
Input
9
Output
21
Difficulty
medium

Input: 1 → [?] → 3, what is the rule?

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Answer: ×2 + 1

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

Input: 6 → [?] → 5, what is the rule?

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Answer: -1

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