hard Set 38 Form Exercise

Input: 6 → [×3] → ?

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Answer: 18

SubType
find-output
Rule
×3
Input
6
Output
18
Difficulty
hard

Input: 10 → [?] → 50, what is the rule?

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Answer: ×5

SubType
find-rule
Rule
×5
Input
10
Output
50
Difficulty
hard

? → [×3 - 2] → 1

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Answer: 1

SubType
find-input
Rule
×3 - 2
Input
1
Output
1
Difficulty
hard

Input: 10 → [+2] → ?

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Answer: 12

SubType
find-output
Rule
+2
Input
10
Output
12
Difficulty
hard

? → [+4 ×2] → 18

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Answer: 5

SubType
find-input
Rule
+4 ×2
Input
5
Output
18
Difficulty
hard

? → [+4 ×2] → 24

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Answer: 8

SubType
find-input
Rule
+4 ×2
Input
8
Output
24
Difficulty
hard

Input: 10 → [×2] → ?

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Answer: 20

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

Input: 7 → [?] → 17, what is the rule?

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Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
7
Output
17
Difficulty
hard