hard Set 99 Form Exercise

? → [×3 - 2] → 19

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Answer: 7

SubType
find-input
Rule
×3 - 2
Input
7
Output
19
Difficulty
hard

Input: 4 → [+5] → ?

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Answer: 9

SubType
find-output
Rule
+5
Input
4
Output
9
Difficulty
hard

? → [×3] → 6

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Answer: 2

SubType
find-input
Rule
×3
Input
2
Output
6
Difficulty
hard

Input: 2 → [?] → 6, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
2
Output
6
Difficulty
hard

Input: 8 → [?] → 10, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
8
Output
10
Difficulty
hard

Input: 10 → [×3] → ?

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Answer: 30

SubType
find-output
Rule
×3
Input
10
Output
30
Difficulty
hard

Input: 1 → [?] → 6, what is the rule?

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Answer: +5

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

Input: 4 → [?] → 20, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
4
Output
20
Difficulty
hard