expert Set 55 Form Exercise

Input: 4 → [×5] → ?

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Answer: 20

SubType
find-output
Rule
×5
Input
4
Output
20
Difficulty
expert

Input: 1 → [×2] → ?

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Answer: 2

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

Input: 9 → [×2 + 1] → ?

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Answer: 19

SubType
find-output
Rule
×2 + 1
Input
9
Output
19
Difficulty
expert

Input: 5 → [?] → 13, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
5
Output
13
Difficulty
expert

? → [+4 ×2] → 24

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Answer: 8

SubType
find-input
Rule
+4 ×2
Input
8
Output
24
Difficulty
expert

? → [×2 + 1] → 15

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Answer: 7

SubType
find-input
Rule
×2 + 1
Input
7
Output
15
Difficulty
expert

Input: 10 → [+5] → ?

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Answer: 15

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

Input: 3 → [?] → 15, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
3
Output
15
Difficulty
expert