hard Set 95 Form Exercise

Input: 5 → [?] → 15, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
5
Output
15
Difficulty
hard

Input: 3 → [?] → 2, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
3
Output
2
Difficulty
hard

Input: 4 → [+4 ×2] → ?

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Answer: 16

SubType
find-output
Rule
+4 ×2
Input
4
Output
16
Difficulty
hard

? → [+10] → 12

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Answer: 2

SubType
find-input
Rule
+10
Input
2
Output
12
Difficulty
hard

Input: 4 → [?] → 3, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
4
Output
3
Difficulty
hard

Input: 1 → [?] → 3, what is the rule?

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Answer: ×2 + 1

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

? → [-3] → 3

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Answer: 6

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

Input: 7 → [?] → 17, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
7
Output
17
Difficulty
hard