starter Set 18 Form Exercise

Input: 9 → [?] → 14, what is the rule?

Show answer

Answer: +5

SubType
find-rule
Rule
+5
Input
9
Output
14
Difficulty
starter

Input: 10 → [?] → 9, what is the rule?

Show answer

Answer: -1

SubType
find-rule
Rule
-1
Input
10
Output
9
Difficulty
starter

Input: 4 → [?] → 20, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
4
Output
20
Difficulty
starter

Input: 9 → [?] → 18, what is the rule?

Show answer

Answer: ×2

SubType
find-rule
Rule
×2
Input
9
Output
18
Difficulty
starter

? → [+10] → 12

Show answer

Answer: 2

SubType
find-input
Rule
+10
Input
2
Output
12
Difficulty
starter

? → [-1] → 3

Show answer

Answer: 4

SubType
find-input
Rule
-1
Input
4
Output
3
Difficulty
starter

? → [+5] → 12

Show answer

Answer: 7

SubType
find-input
Rule
+5
Input
7
Output
12
Difficulty
starter

? → [+2] → 9

Show answer

Answer: 7

SubType
find-input
Rule
+2
Input
7
Output
9
Difficulty
starter