easy Set 90 Form Exercise

Input: 8 → [?] → 40, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
8
Output
40
Difficulty
easy

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

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Answer: ×3

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

? → [×3] → 3

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Answer: 1

SubType
find-input
Rule
×3
Input
1
Output
3
Difficulty
easy

Input: 2 → [?] → 4, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
2
Output
4
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

? → [×2] → 16

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Answer: 8

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

Input: 5 → [+2] → ?

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Answer: 7

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

? → [+5] → 8

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Answer: 3

SubType
find-input
Rule
+5
Input
3
Output
8
Difficulty
easy