expert Set 44 Form Exercise

Input: 10 → [?] → 7, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
10
Output
7
Difficulty
expert

Input: 1 → [×2 + 1] → ?

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Answer: 3

SubType
find-output
Rule
×2 + 1
Input
1
Output
3
Difficulty
expert

Input: 4 → [?] → 9, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
4
Output
9
Difficulty
expert

? → [×5] → 10

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Answer: 2

SubType
find-input
Rule
×5
Input
2
Output
10
Difficulty
expert

Input: 3 → [+10] → ?

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Answer: 13

SubType
find-output
Rule
+10
Input
3
Output
13
Difficulty
expert

? → [×2 + 1] → 21

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Answer: 10

SubType
find-input
Rule
×2 + 1
Input
10
Output
21
Difficulty
expert

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

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Answer: +10

SubType
find-rule
Rule
+10
Input
9
Output
19
Difficulty
expert

Input: 6 → [+5] → ?

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Answer: 11

SubType
find-output
Rule
+5
Input
6
Output
11
Difficulty
expert