easy Set 48 Form Exercise

Input: 5 → [?] → 15, what is the rule?

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Answer: +10

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

? → [×3] → 30

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Answer: 10

SubType
find-input
Rule
×3
Input
10
Output
30
Difficulty
normal

Input: 4 → [?] → 20, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
4
Output
20
Difficulty
normal

Input: 4 → [+5] → ?

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Answer: 9

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

? → [+10] → 17

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Answer: 7

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

? → [-1] → 1

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Answer: 2

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

Input: 6 → [-3] → ?

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Answer: 3

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

? → [+2] → 4

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Answer: 2

SubType
find-input
Rule
+2
Input
2
Output
4
Difficulty
normal