hard Set 83 Form Exercise

Input: 2 → [+4 ×2] → ?

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Answer: 12

SubType
find-output
Rule
+4 ×2
Input
2
Output
12
Difficulty
hard

? → [-1] → 2

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Answer: 3

SubType
find-input
Rule
-1
Input
3
Output
2
Difficulty
hard

? → [-3] → 6

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Answer: 9

SubType
find-input
Rule
-3
Input
9
Output
6
Difficulty
hard

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

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Answer: +10

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

? → [×5] → 40

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Answer: 8

SubType
find-input
Rule
×5
Input
8
Output
40
Difficulty
hard

Input: 5 → [?] → 11, what is the rule?

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Answer: ×2 + 1

SubType
find-rule
Rule
×2 + 1
Input
5
Output
11
Difficulty
hard

Input: 1 → [×2 + 1] → ?

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Answer: 3

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

Input: 8 → [?] → 24, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
8
Output
24
Difficulty
hard