medium Set 64 Form Exercise

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

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Answer: +10

SubType
find-rule
Rule
+10
Input
7
Output
17
Difficulty
medium

Input: 4 → [-1] → ?

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Answer: 3

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

Input: 9 → [?] → 6, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
9
Output
6
Difficulty
medium

Input: 8 → [?] → 10, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
8
Output
10
Difficulty
medium

? → [×2 + 3] → 9

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Answer: 3

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

? → [+4 ×2] → 20

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Answer: 6

SubType
find-input
Rule
+4 ×2
Input
6
Output
20
Difficulty
medium

Input: 5 → [?] → 7, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
5
Output
7
Difficulty
medium

Input: 5 → [?] → 4, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
5
Output
4
Difficulty
medium