easy Set 50 Form Exercise

? → [-1] → 9

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Answer: 10

SubType
find-input
Rule
-1
Input
10
Output
9
Difficulty
normal

Input: 10 → [×2] → ?

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Answer: 20

SubType
find-output
Rule
×2
Input
10
Output
20
Difficulty
normal

? → [×2] → 6

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Answer: 3

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

Input: 5 → [?] → 25, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
5
Output
25
Difficulty
normal

Input: 5 → [×2] → ?

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Answer: 10

SubType
find-output
Rule
×2
Input
5
Output
10
Difficulty
normal

Input: 2 → [?] → 6, what is the rule?

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Answer: ×3

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

? → [+5] → 7

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Answer: 2

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

Input: 5 → [-1] → ?

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Answer: 4

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