easy Set 15 Form Exercise

Input: 8 → [?] → 7, what is the rule?

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Answer: -1

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

Input: 1 → [?] → 11, what is the rule?

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Answer: +10

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

Input: 3 → [+10] → ?

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Answer: 13

SubType
find-output
Rule
+10
Input
3
Output
13
Difficulty
normal

Input: 5 → [?] → 2, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
5
Output
2
Difficulty
normal

Input: 2 → [×2] → ?

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Answer: 4

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

? → [-1] → 8

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Answer: 9

SubType
find-input
Rule
-1
Input
9
Output
8
Difficulty
normal

Input: 3 → [×3] → ?

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Answer: 9

SubType
find-output
Rule
×3
Input
3
Output
9
Difficulty
normal

Input: 3 → [?] → 2, what is the rule?

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Answer: -1

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