medium Set 99 Form Exercise

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

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Answer: +10

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

Input: 5 → [?] → 13, what is the rule?

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Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
5
Output
13
Difficulty
medium

Input: 7 → [×2] → ?

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Answer: 14

SubType
find-output
Rule
×2
Input
7
Output
14
Difficulty
medium

Input: 7 → [-1] → ?

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Answer: 6

SubType
find-output
Rule
-1
Input
7
Output
6
Difficulty
medium

Input: 5 → [+4 ×2] → ?

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Answer: 18

SubType
find-output
Rule
+4 ×2
Input
5
Output
18
Difficulty
medium

Input: 4 → [?] → 9, what is the rule?

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Answer: ×2 + 1

SubType
find-rule
Rule
×2 + 1
Input
4
Output
9
Difficulty
medium

Input: 2 → [?] → 7, what is the rule?

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Answer: +5

SubType
find-rule
Rule
+5
Input
2
Output
7
Difficulty
medium

Input: 9 → [×5] → ?

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Answer: 45

SubType
find-output
Rule
×5
Input
9
Output
45
Difficulty
medium