easy Set 19 Form Exercise

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

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Answer: ×3

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

? → [+2] → 10

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Answer: 8

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

Input: 8 → [+2] → ?

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Answer: 10

SubType
find-output
Rule
+2
Input
8
Output
10
Difficulty
normal

Input: 2 → [+5] → ?

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Answer: 7

SubType
find-output
Rule
+5
Input
2
Output
7
Difficulty
normal

Input: 2 → [?] → 4, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
2
Output
4
Difficulty
normal

? → [+5] → 14

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Answer: 9

SubType
find-input
Rule
+5
Input
9
Output
14
Difficulty
normal

Input: 7 → [?] → 17, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
7
Output
17
Difficulty
normal

? → [+5] → 9

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Answer: 4

SubType
find-input
Rule
+5
Input
4
Output
9
Difficulty
normal