hard Set 58 Form Exercise

Input: 8 → [-3] → ?

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Answer: 5

SubType
find-output
Rule
-3
Input
8
Output
5
Difficulty
hard

? → [+4 ×2] → 28

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Answer: 10

SubType
find-input
Rule
+4 ×2
Input
10
Output
28
Difficulty
hard

Input: 4 → [+10] → ?

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Answer: 14

SubType
find-output
Rule
+10
Input
4
Output
14
Difficulty
hard

Input: 6 → [?] → 20, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
6
Output
20
Difficulty
hard

Input: 1 → [×3] → ?

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Answer: 3

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

Input: 7 → [×2 + 1] → ?

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Answer: 15

SubType
find-output
Rule
×2 + 1
Input
7
Output
15
Difficulty
hard

? → [×3 - 2] → 22

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Answer: 8

SubType
find-input
Rule
×3 - 2
Input
8
Output
22
Difficulty
hard

Input: 8 → [×5] → ?

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Answer: 40

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