starter Set 44 Form Exercise

? → [-3] → 7

Show answer

Answer: 10

SubType
find-input
Rule
-3
Input
10
Output
7
Difficulty
starter

? → [×2] → 12

Show answer

Answer: 6

SubType
find-input
Rule
×2
Input
6
Output
12
Difficulty
starter

Input: 1 → [?] → 3, what is the rule?

Show answer

Answer: +2

SubType
find-rule
Rule
+2
Input
1
Output
3
Difficulty
starter

? → [×2] → 10

Show answer

Answer: 5

SubType
find-input
Rule
×2
Input
5
Output
10
Difficulty
starter

Input: 2 → [×2] → ?

Show answer

Answer: 4

SubType
find-output
Rule
×2
Input
2
Output
4
Difficulty
starter

Input: 5 → [?] → 2, what is the rule?

Show answer

Answer: -3

SubType
find-rule
Rule
-3
Input
5
Output
2
Difficulty
starter