easy Set 89 Form Exercise

Input: 6 → [-1] → ?

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Answer: 5

SubType
find-output
Rule
-1
Input
6
Output
5
Difficulty
easy

Input: 5 → [?] → 10, what is the rule?

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Answer: ×2

SubType
find-rule
Rule
×2
Input
5
Output
10
Difficulty
easy

? → [+10] → 15

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Answer: 5

SubType
find-input
Rule
+10
Input
5
Output
15
Difficulty
easy

Input: 10 → [×3] → ?

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Answer: 30

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

? → [×2] → 16

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Answer: 8

SubType
find-input
Rule
×2
Input
8
Output
16
Difficulty
easy

Input: 5 → [?] → 7, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
5
Output
7
Difficulty
easy

Input: 3 → [?] → 5, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
3
Output
5
Difficulty
easy

? → [×3] → 21

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Answer: 7

SubType
find-input
Rule
×3
Input
7
Output
21
Difficulty
easy