easy Set 52 Form Exercise

Input: 10 → [×3] → ?

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Answer: 30

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

Input: 3 → [×5] → ?

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Answer: 15

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

Input: 9 → [?] → 11, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
9
Output
11
Difficulty
normal

Input: 5 → [?] → 15, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
5
Output
15
Difficulty
normal

Input: 6 → [?] → 5, what is the rule?

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Answer: -1

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

? → [-3] → 3

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Answer: 6

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

? → [×3] → 18

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Answer: 6

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