hard Set 88 Form Exercise

Input: 10 → [?] → 28, what is the rule?

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Answer: +4 ×2

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

Input: 10 → [?] → 20, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
10
Output
20
Difficulty
hard

Input: 2 → [-1] → ?

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Answer: 1

SubType
find-output
Rule
-1
Input
2
Output
1
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: 6 → [?] → 16, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
6
Output
16
Difficulty
hard

? → [×2] → 8

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Answer: 4

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

Input: 9 → [+2] → ?

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Answer: 11

SubType
find-output
Rule
+2
Input
9
Output
11
Difficulty
hard

? → [×3 - 2] → 1

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Answer: 1

SubType
find-input
Rule
×3 - 2
Input
1
Output
1
Difficulty
hard