easy Set 51 Form Exercise

Input: 8 → [-1] → ?

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Answer: 7

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

? → [-3] → 3

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Answer: 6

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

Input: 3 → [+2] → ?

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Answer: 5

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

Input: 4 → [?] → 9, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
4
Output
9
Difficulty
normal

? → [+10] → 15

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Answer: 5

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

? → [+2] → 9

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Answer: 7

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

Input: 1 → [?] → 5, what is the rule?

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Answer: ×5

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

? → [×2] → 16

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Answer: 8

SubType
find-input
Rule
×2
Input
8
Output
16
Difficulty
normal