medium Set 36 Form Exercise

Input: 8 → [?] → 19, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
8
Output
19
Difficulty
medium

Input: 5 → [+10] → ?

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Answer: 15

SubType
find-output
Rule
+10
Input
5
Output
15
Difficulty
medium

? → [+4 ×2] → 24

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Answer: 8

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

Input: 9 → [×5] → ?

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Answer: 45

SubType
find-output
Rule
×5
Input
9
Output
45
Difficulty
medium

Input: 1 → [?] → 5, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
1
Output
5
Difficulty
medium

? → [+5] → 7

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Answer: 2

SubType
find-input
Rule
+5
Input
2
Output
7
Difficulty
medium

? → [-3] → 3

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Answer: 6

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

Input: 7 → [-1] → ?

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Answer: 6

SubType
find-output
Rule
-1
Input
7
Output
6
Difficulty
medium