easy Set 23 Form Exercise

Input: 1 → [?] → 3, what is the rule?

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Answer: +2

SubType
find-rule
Rule
+2
Input
1
Output
3
Difficulty
normal

? → [-1] → 6

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Answer: 7

SubType
find-input
Rule
-1
Input
7
Output
6
Difficulty
normal

Input: 3 → [-3] → ?

SubType
find-output
Rule
-3
Input
3
Output
0
Difficulty
normal

Input: 8 → [+2] → ?

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Answer: 10

SubType
find-output
Rule
+2
Input
8
Output
10
Difficulty
normal

? → [+2] → 9

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Answer: 7

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

Input: 6 → [+10] → ?

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Answer: 16

SubType
find-output
Rule
+10
Input
6
Output
16
Difficulty
normal

? → [×2] → 6

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Answer: 3

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

? → [+10] → 15

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Answer: 5

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