medium Set 82 Form Exercise

Input: 9 → [?] → 11, what is the rule?

Show answer

Answer: +2

SubType
find-rule
Rule
+2
Input
9
Output
11
Difficulty
medium

Input: 7 → [?] → 14, what is the rule?

Show answer

Answer: ×2

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

Input: 6 → [×2 + 1] → ?

Show answer

Answer: 13

SubType
find-output
Rule
×2 + 1
Input
6
Output
13
Difficulty
medium

? → [×5] → 25

Show answer

Answer: 5

SubType
find-input
Rule
×5
Input
5
Output
25
Difficulty
medium

Input: 9 → [?] → 45, what is the rule?

Show answer

Answer: ×5

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

Input: 4 → [-1] → ?

Show answer

Answer: 3

SubType
find-output
Rule
-1
Input
4
Output
3
Difficulty
medium

Input: 2 → [?] → 4, what is the rule?

Show answer

Answer: ×2

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

Input: 7 → [?] → 9, what is the rule?

Show answer

Answer: +2

SubType
find-rule
Rule
+2
Input
7
Output
9
Difficulty
medium