easy Set 65 Form Exercise

? → [×3] → 15

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Answer: 5

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

? → [-3] → 0

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Answer: 3

SubType
find-input
Rule
-3
Input
3
Output
0
Difficulty
normal

Input: 9 → [?] → 6, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
9
Output
6
Difficulty
normal

Input: 10 → [?] → 20, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
10
Output
20
Difficulty
normal

Input: 5 → [-1] → ?

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Answer: 4

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

? → [×3] → 12

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Answer: 4

SubType
find-input
Rule
×3
Input
4
Output
12
Difficulty
normal

Input: 6 → [+5] → ?

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Answer: 11

SubType
find-output
Rule
+5
Input
6
Output
11
Difficulty
normal

? → [×3] → 6

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Answer: 2

SubType
find-input
Rule
×3
Input
2
Output
6
Difficulty
normal