starter Set 91 Form Exercise

? → [×3] → 9

Show answer

Answer: 3

SubType
find-input
Rule
×3
Input
3
Output
9
Difficulty
starter

? → [+10] → 12

Show answer

Answer: 2

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

? → [×5] → 45

Show answer

Answer: 9

SubType
find-input
Rule
×5
Input
9
Output
45
Difficulty
starter

Input: 9 → [?] → 45, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
9
Output
45
Difficulty
starter

Input: 1 → [?] → 6, what is the rule?

Show answer

Answer: +5

SubType
find-rule
Rule
+5
Input
1
Output
6
Difficulty
starter

Input: 5 → [?] → 15, what is the rule?

Show answer

Answer: ×3

SubType
find-rule
Rule
×3
Input
5
Output
15
Difficulty
starter

Input: 7 → [?] → 14, what is the rule?

Show answer

Answer: ×2

SubType
find-rule
Rule
×2
Input
7
Output
14
Difficulty
starter

Input: 10 → [?] → 30, what is the rule?

Show answer

Answer: ×3

SubType
find-rule
Rule
×3
Input
10
Output
30
Difficulty
starter