medium Set 17 Form Exercise

? → [+10] → 18

Show answer

Answer: 8

SubType
find-input
Rule
+10
Input
8
Output
18
Difficulty
medium

? → [×3] → 3

Show answer

Answer: 1

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

Input: 1 → [×3 - 2] → ?

Show answer

Answer: 1

SubType
find-output
Rule
×3 - 2
Input
1
Output
1
Difficulty
medium

? → [-1] → 5

Show answer

Answer: 6

SubType
find-input
Rule
-1
Input
6
Output
5
Difficulty
medium

Input: 1 → [?] → 5, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
1
Output
5
Difficulty
medium

Input: 4 → [?] → 3, what is the rule?

Show answer

Answer: -1

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

Input: 4 → [?] → 11, what is the rule?

Show answer

Answer: ×2 + 3

SubType
find-rule
Rule
×2 + 3
Input
4
Output
11
Difficulty
medium

Input: 5 → [-3] → ?

Show answer

Answer: 2

SubType
find-output
Rule
-3
Input
5
Output
2
Difficulty
medium