hard Set 38 Form Exercise

Input: 8 → [?] → 5, what is the rule?

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Answer: -3

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

? → [-3] → 6

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Answer: 9

SubType
find-input
Rule
-3
Input
9
Output
6
Difficulty
hard

? → [×2] → 6

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Answer: 3

SubType
find-input
Rule
×2
Input
3
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

? → [+4 ×2] → 24

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Answer: 8

SubType
find-input
Rule
+4 ×2
Input
8
Output
24
Difficulty
hard

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

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Answer: +10

SubType
find-rule
Rule
+10
Input
10
Output
20
Difficulty
hard

Input: 5 → [+4 ×2] → ?

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Answer: 18

SubType
find-output
Rule
+4 ×2
Input
5
Output
18
Difficulty
hard

Input: 6 → [×2 + 3] → ?

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Answer: 15

SubType
find-output
Rule
×2 + 3
Input
6
Output
15
Difficulty
hard