hard Set 48 Form Exercise

Input: 9 → [×3] → ?

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Answer: 27

SubType
find-output
Rule
×3
Input
9
Output
27
Difficulty
hard

Input: 4 → [?] → 11, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
4
Output
11
Difficulty
hard

Input: 3 → [?] → 7, what is the rule?

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Answer: ×2 + 1

SubType
find-rule
Rule
×2 + 1
Input
3
Output
7
Difficulty
hard

Input: 8 → [?] → 13, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
8
Output
13
Difficulty
hard

Input: 10 → [×2 + 1] → ?

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Answer: 21

SubType
find-output
Rule
×2 + 1
Input
10
Output
21
Difficulty
hard

? → [+4 ×2] → 18

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Answer: 5

SubType
find-input
Rule
+4 ×2
Input
5
Output
18
Difficulty
hard

? → [×2] → 2

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Answer: 1

SubType
find-input
Rule
×2
Input
1
Output
2
Difficulty
hard

Input: 5 → [+4 ×2] → ?

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Answer: 18

SubType
find-output
Rule
+4 ×2
Input
5
Output
18
Difficulty
hard