hard Set 49 Form Exercise

Input: 3 → [×3 - 2] → ?

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Answer: 7

SubType
find-output
Rule
×3 - 2
Input
3
Output
7
Difficulty
hard

Input: 6 → [?] → 11, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
6
Output
11
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

? → [×2] → 8

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Answer: 4

SubType
find-input
Rule
×2
Input
4
Output
8
Difficulty
hard

Input: 9 → [?] → 19, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
9
Output
19
Difficulty
hard

? → [-1] → 5

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Answer: 6

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

? → [+5] → 13

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Answer: 8

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

Input: 2 → [×2 + 1] → ?

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Answer: 5

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