hard Set 16 Form Exercise

? → [×2] → 10

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Answer: 5

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

? → [+2] → 5

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Answer: 3

SubType
find-input
Rule
+2
Input
3
Output
5
Difficulty
hard

Input: 5 → [+5] → ?

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Answer: 10

SubType
find-output
Rule
+5
Input
5
Output
10
Difficulty
hard

Input: 1 → [?] → 3, what is the rule?

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Answer: +2

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

Input: 6 → [?] → 5, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
6
Output
5
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: 7 → [?] → 12, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
7
Output
12
Difficulty
hard

Input: 9 → [×3 - 2] → ?

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Answer: 25

SubType
find-output
Rule
×3 - 2
Input
9
Output
25
Difficulty
hard