easy Set 43 Form Exercise

? → [×5] → 20

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Answer: 4

SubType
find-input
Rule
×5
Input
4
Output
20
Difficulty
easy

? → [-1] → 7

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Answer: 8

SubType
find-input
Rule
-1
Input
8
Output
7
Difficulty
easy

? → [-3] → 3

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Answer: 6

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

Input: 3 → [?] → 8, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
3
Output
8
Difficulty
easy

? → [+2] → 10

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Answer: 8

SubType
find-input
Rule
+2
Input
8
Output
10
Difficulty
easy

? → [-3] → 2

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Answer: 5

SubType
find-input
Rule
-3
Input
5
Output
2
Difficulty
easy

Input: 8 → [×3] → ?

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Answer: 24

SubType
find-output
Rule
×3
Input
8
Output
24
Difficulty
easy

Input: 4 → [?] → 12, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
4
Output
12
Difficulty
easy