hard Set 24 Form Exercise

Input: 6 → [?] → 18, what is the rule?

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Answer: ×3

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

? → [+5] → 10

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Answer: 5

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

? → [+4 ×2] → 16

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Answer: 4

SubType
find-input
Rule
+4 ×2
Input
4
Output
16
Difficulty
hard

Input: 8 → [+5] → ?

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Answer: 13

SubType
find-output
Rule
+5
Input
8
Output
13
Difficulty
hard

? → [×5] → 50

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Answer: 10

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

? → [+10] → 20

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Answer: 10

SubType
find-input
Rule
+10
Input
10
Output
20
Difficulty
hard

Input: 5 → [?] → 15, what is the rule?

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Answer: ×3

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

Input: 1 → [?] → 10, what is the rule?

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Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
1
Output
10
Difficulty
hard