hard Set 100 Form Exercise

? → [×2 + 1] → 11

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Answer: 5

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

Input: 3 → [+4 ×2] → ?

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Answer: 14

SubType
find-output
Rule
+4 ×2
Input
3
Output
14
Difficulty
hard

Input: 7 → [-1] → ?

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Answer: 6

SubType
find-output
Rule
-1
Input
7
Output
6
Difficulty
hard

? → [×2] → 14

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Answer: 7

SubType
find-input
Rule
×2
Input
7
Output
14
Difficulty
hard

? → [+5] → 6

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Answer: 1

SubType
find-input
Rule
+5
Input
1
Output
6
Difficulty
hard

? → [+5] → 15

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Answer: 10

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

? → [×2] → 10

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Answer: 5

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

Input: 4 → [+4 ×2] → ?

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Answer: 16

SubType
find-output
Rule
+4 ×2
Input
4
Output
16
Difficulty
hard