easy Set 42 Form Exercise

Input: 7 → [+10] → ?

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Answer: 17

SubType
find-output
Rule
+10
Input
7
Output
17
Difficulty
normal

Input: 9 → [+10] → ?

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Answer: 19

SubType
find-output
Rule
+10
Input
9
Output
19
Difficulty
normal

Input: 2 → [?] → 12, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
2
Output
12
Difficulty
normal

Input: 8 → [+10] → ?

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Answer: 18

SubType
find-output
Rule
+10
Input
8
Output
18
Difficulty
normal

? → [+5] → 15

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Answer: 10

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

? → [×5] → 20

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Answer: 4

SubType
find-input
Rule
×5
Input
4
Output
20
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: 3 → [-1] → ?

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Answer: 2

SubType
find-output
Rule
-1
Input
3
Output
2
Difficulty
normal