medium Set 96 Form Exercise

Input: 4 → [?] → 9, what is the rule?

Show answer

Answer: ×2 + 1

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

? → [×3 - 2] → 19

Show answer

Answer: 7

SubType
find-input
Rule
×3 - 2
Input
7
Output
19
Difficulty
medium

Input: 3 → [?] → 6, what is the rule?

Show answer

Answer: ×2

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

Input: 8 → [+2] → ?

Show answer

Answer: 10

SubType
find-output
Rule
+2
Input
8
Output
10
Difficulty
medium

? → [×2 + 3] → 7

Show answer

Answer: 2

SubType
find-input
Rule
×2 + 3
Input
2
Output
7
Difficulty
medium

Input: 4 → [+10] → ?

Show answer

Answer: 14

SubType
find-output
Rule
+10
Input
4
Output
14
Difficulty
medium

Input: 3 → [×3 - 2] → ?

Show answer

Answer: 7

SubType
find-output
Rule
×3 - 2
Input
3
Output
7
Difficulty
medium

? → [+5] → 14

Show answer

Answer: 9

SubType
find-input
Rule
+5
Input
9
Output
14
Difficulty
medium