easy Set 60 Form Exercise

? → [+2] → 8

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Answer: 6

SubType
find-input
Rule
+2
Input
6
Output
8
Difficulty
normal

Input: 10 → [?] → 20, what is the rule?

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Answer: +10

SubType
find-rule
Rule
+10
Input
10
Output
20
Difficulty
normal

Input: 1 → [?] → 5, what is the rule?

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Answer: ×5

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

Input: 4 → [×5] → ?

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Answer: 20

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

? → [-3] → 4

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Answer: 7

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

Input: 2 → [×5] → ?

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Answer: 10

SubType
find-output
Rule
×5
Input
2
Output
10
Difficulty
normal

? → [×3] → 6

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Answer: 2

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

Input: 3 → [?] → 15, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
3
Output
15
Difficulty
normal