easy Set 42 Form Exercise

Input: 2 → [×2] → ?

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Answer: 4

SubType
find-output
Rule
×2
Input
2
Output
4
Difficulty
normal

Input: 2 → [×3] → ?

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Answer: 6

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

? → [×2] → 10

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Answer: 5

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

Input: 7 → [+5] → ?

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Answer: 12

SubType
find-output
Rule
+5
Input
7
Output
12
Difficulty
normal

Input: 4 → [?] → 1, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
4
Output
1
Difficulty
normal

Input: 6 → [×5] → ?

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Answer: 30

SubType
find-output
Rule
×5
Input
6
Output
30
Difficulty
normal

Input: 1 → [+10] → ?

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Answer: 11

SubType
find-output
Rule
+10
Input
1
Output
11
Difficulty
normal

Input: 8 → [?] → 7, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
8
Output
7
Difficulty
normal