easy Set 61 Form Exercise

? → [×5] → 30

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Answer: 6

SubType
find-input
Rule
×5
Input
6
Output
30
Difficulty
normal

? → [+5] → 15

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Answer: 10

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

Input: 7 → [-3] → ?

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Answer: 4

SubType
find-output
Rule
-3
Input
7
Output
4
Difficulty
normal

? → [+10] → 16

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Answer: 6

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

Input: 10 → [×3] → ?

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Answer: 30

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

Input: 8 → [+2] → ?

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Answer: 10

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

Input: 3 → [?] → 8, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
3
Output
8
Difficulty
normal

? → [×3] → 6

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Answer: 2

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