starter Set 53 Form Exercise

Input: 9 → [?] → 27, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
9
Output
27
Difficulty
starter

Input: 10 → [×5] → ?

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Answer: 50

SubType
find-output
Rule
×5
Input
10
Output
50
Difficulty
starter

? → [+10] → 17

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Answer: 7

SubType
find-input
Rule
+10
Input
7
Output
17
Difficulty
starter

Input: 1 → [-1] → ?

SubType
find-output
Rule
-1
Input
1
Output
0
Difficulty
starter

? → [-3] → 5

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Answer: 8

SubType
find-input
Rule
-3
Input
8
Output
5
Difficulty
starter

Input: 8 → [-3] → ?

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Answer: 5

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

Input: 9 → [×5] → ?

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Answer: 45

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

? → [×2] → 18

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Answer: 9

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