easy Set 66 Form Exercise

? → [×2] → 8

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Answer: 4

SubType
find-input
Rule
×2
Input
4
Output
8
Difficulty
easy

Input: 10 → [?] → 30, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
10
Output
30
Difficulty
easy

Input: 3 → [?] → 13, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
3
Output
13
Difficulty
easy

Input: 7 → [?] → 6, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
7
Output
6
Difficulty
easy

Input: 1 → [×5] → ?

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Answer: 5

SubType
find-output
Rule
×5
Input
1
Output
5
Difficulty
easy

Input: 4 → [?] → 8, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
4
Output
8
Difficulty
easy

Input: 7 → [+5] → ?

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Answer: 12

SubType
find-output
Rule
+5
Input
7
Output
12
Difficulty
easy

Input: 5 → [-1] → ?

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Answer: 4

SubType
find-output
Rule
-1
Input
5
Output
4
Difficulty
easy