medium Set 50 Form Exercise

Input: 1 → [?] → 2, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
1
Output
2
Difficulty
medium

Input: 6 → [×5] → ?

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Answer: 30

SubType
find-output
Rule
×5
Input
6
Output
30
Difficulty
medium

Input: 4 → [-1] → ?

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Answer: 3

SubType
find-output
Rule
-1
Input
4
Output
3
Difficulty
medium

Input: 6 → [?] → 11, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
6
Output
11
Difficulty
medium

Input: 4 → [×2 + 1] → ?

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Answer: 9

SubType
find-output
Rule
×2 + 1
Input
4
Output
9
Difficulty
medium

Input: 1 → [?] → 10, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
1
Output
10
Difficulty
medium

Input: 8 → [+4 ×2] → ?

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Answer: 24

SubType
find-output
Rule
+4 ×2
Input
8
Output
24
Difficulty
medium