easy Set 99 Form Exercise

Input: 10 → [?] → 7, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
10
Output
7
Difficulty
easy

Input: 8 → [?] → 13, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
8
Output
13
Difficulty
easy

? → [×5] → 15

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Answer: 3

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

Input: 10 → [?] → 12, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
10
Output
12
Difficulty
easy

? → [×5] → 20

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Answer: 4

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

? → [×5] → 30

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Answer: 6

SubType
find-input
Rule
×5
Input
6
Output
30
Difficulty
easy

? → [×5] → 45

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Answer: 9

SubType
find-input
Rule
×5
Input
9
Output
45
Difficulty
easy