hard Set 100 Form Exercise

Input: 10 → [×2] → ?

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Answer: 20

SubType
find-output
Rule
×2
Input
10
Output
20
Difficulty
hard

Input: 2 → [?] → 7, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
2
Output
7
Difficulty
hard

? → [×3 - 2] → 4

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Answer: 2

SubType
find-input
Rule
×3 - 2
Input
2
Output
4
Difficulty
hard

Input: 7 → [×2 + 1] → ?

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Answer: 15

SubType
find-output
Rule
×2 + 1
Input
7
Output
15
Difficulty
hard

Input: 6 → [×5] → ?

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Answer: 30

SubType
find-output
Rule
×5
Input
6
Output
30
Difficulty
hard

Input: 4 → [×3] → ?

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Answer: 12

SubType
find-output
Rule
×3
Input
4
Output
12
Difficulty
hard

Input: 2 → [+2] → ?

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Answer: 4

SubType
find-output
Rule
+2
Input
2
Output
4
Difficulty
hard

Input: 3 → [+5] → ?

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Answer: 8

SubType
find-output
Rule
+5
Input
3
Output
8
Difficulty
hard