starter Set 33 Form Exercise

? → [+2] → 12

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Answer: 10

SubType
find-input
Rule
+2
Input
10
Output
12
Difficulty
starter

Input: 3 → [+5] → ?

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Answer: 8

SubType
find-output
Rule
+5
Input
3
Output
8
Difficulty
starter

? → [×3] → 12

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Answer: 4

SubType
find-input
Rule
×3
Input
4
Output
12
Difficulty
starter

Input: 10 → [?] → 9, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
10
Output
9
Difficulty
starter

? → [×2] → 18

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Answer: 9

SubType
find-input
Rule
×2
Input
9
Output
18
Difficulty
starter

? → [+10] → 20

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Answer: 10

SubType
find-input
Rule
+10
Input
10
Output
20
Difficulty
starter

? → [×5] → 35

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Answer: 7

SubType
find-input
Rule
×5
Input
7
Output
35
Difficulty
starter

? → [×3] → 15

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Answer: 5

SubType
find-input
Rule
×3
Input
5
Output
15
Difficulty
starter