expert Set 29 Form Exercise

? → [+10] → 15

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Answer: 5

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

? → [×5] → 5

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Answer: 1

SubType
find-input
Rule
×5
Input
1
Output
5
Difficulty
expert

? → [×2 + 3] → 21

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Answer: 9

SubType
find-input
Rule
×2 + 3
Input
9
Output
21
Difficulty
expert

Input: 5 → [?] → 15, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
5
Output
15
Difficulty
expert

Input: 1 → [?] → 11, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
1
Output
11
Difficulty
expert

Input: 10 → [?] → 28, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
10
Output
28
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

? → [+10] → 18

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Answer: 8

SubType
find-input
Rule
+10
Input
8
Output
18
Difficulty
expert