easy Set 90 Form Exercise

? → [+5] → 10

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Answer: 5

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

Input: 1 → [?] → 3, what is the rule?

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Answer: +2

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

? → [×3] → 3

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Answer: 1

SubType
find-input
Rule
×3
Input
1
Output
3
Difficulty
normal

Input: 5 → [+10] → ?

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Answer: 15

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

Input: 6 → [-1] → ?

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Answer: 5

SubType
find-output
Rule
-1
Input
6
Output
5
Difficulty
normal

Input: 5 → [?] → 4, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
5
Output
4
Difficulty
normal

Input: 3 → [×3] → ?

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Answer: 9

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

Input: 8 → [?] → 40, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
8
Output
40
Difficulty
normal