easy Set 27 Form Exercise

Input: 4 → [?] → 1, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
4
Output
1
Difficulty
normal

? → [×3] → 15

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Answer: 5

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

? → [×2] → 8

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Answer: 4

SubType
find-input
Rule
×2
Input
4
Output
8
Difficulty
normal

Input: 6 → [-1] → ?

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Answer: 5

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

Input: 2 → [?] → 7, what is the rule?

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Answer: +5

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

Input: 8 → [+10] → ?

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Answer: 18

SubType
find-output
Rule
+10
Input
8
Output
18
Difficulty
normal

Input: 9 → [+5] → ?

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Answer: 14

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