medium Set 61 Form Exercise

Input: 10 → [-3] → ?

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Answer: 7

SubType
find-output
Rule
-3
Input
10
Output
7
Difficulty
medium

? → [+2] → 11

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Answer: 9

SubType
find-input
Rule
+2
Input
9
Output
11
Difficulty
medium

Input: 4 → [-1] → ?

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Answer: 3

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

Input: 7 → [+2] → ?

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Answer: 9

SubType
find-output
Rule
+2
Input
7
Output
9
Difficulty
medium

? → [×2] → 6

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Answer: 3

SubType
find-input
Rule
×2
Input
3
Output
6
Difficulty
medium

Input: 8 → [?] → 16, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
8
Output
16
Difficulty
medium

? → [+2] → 4

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Answer: 2

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

Input: 8 → [?] → 18, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
8
Output
18
Difficulty
medium