easy Set 77 Form Exercise

Input: 3 → [?] → 15, what is the rule?

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Answer: ×5

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

? → [+2] → 8

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Answer: 6

SubType
find-input
Rule
+2
Input
6
Output
8
Difficulty
normal

Input: 5 → [-1] → ?

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Answer: 4

SubType
find-output
Rule
-1
Input
5
Output
4
Difficulty
normal

? → [×3] → 27

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Answer: 9

SubType
find-input
Rule
×3
Input
9
Output
27
Difficulty
normal

Input: 6 → [?] → 18, what is the rule?

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Answer: ×3

SubType
find-rule
Rule
×3
Input
6
Output
18
Difficulty
normal

Input: 7 → [×5] → ?

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Answer: 35

SubType
find-output
Rule
×5
Input
7
Output
35
Difficulty
normal

Input: 3 → [-1] → ?

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Answer: 2

SubType
find-output
Rule
-1
Input
3
Output
2
Difficulty
normal

? → [-1] → 0

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Answer: 1

SubType
find-input
Rule
-1
Input
1
Output
0
Difficulty
normal