easy Set 88 Form Exercise

? → [×2] → 10

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Answer: 5

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

Input: 6 → [-3] → ?

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Answer: 3

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

Input: 5 → [-3] → ?

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Answer: 2

SubType
find-output
Rule
-3
Input
5
Output
2
Difficulty
normal

Input: 10 → [×2] → ?

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Answer: 20

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

Input: 2 → [?] → 10, what is the rule?

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Answer: ×5

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

? → [×2] → 20

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Answer: 10

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

Input: 7 → [?] → 9, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
7
Output
9
Difficulty
normal

? → [-1] → 1

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Answer: 2

SubType
find-input
Rule
-1
Input
2
Output
1
Difficulty
normal