medium Set 91 Form Exercise

? → [+5] → 8

Show answer

Answer: 3

SubType
find-input
Rule
+5
Input
3
Output
8
Difficulty
medium

? → [×2 + 1] → 11

Show answer

Answer: 5

SubType
find-input
Rule
×2 + 1
Input
5
Output
11
Difficulty
medium

? → [×2 + 3] → 5

Show answer

Answer: 1

SubType
find-input
Rule
×2 + 3
Input
1
Output
5
Difficulty
medium

Input: 6 → [?] → 16, what is the rule?

Show answer

Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
6
Output
16
Difficulty
medium

Input: 5 → [?] → 10, what is the rule?

Show answer

Answer: ×2

SubType
find-rule
Rule
×2
Input
5
Output
10
Difficulty
medium

? → [-1] → 6

Show answer

Answer: 7

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

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

Show answer

Answer: +10

SubType
find-rule
Rule
+10
Input
7
Output
17
Difficulty
medium