starter Set 31 Form Exercise

Input: 9 → [+10] → ?

Show answer

Answer: 19

SubType
find-output
Rule
+10
Input
9
Output
19
Difficulty
starter

? → [×5] → 40

Show answer

Answer: 8

SubType
find-input
Rule
×5
Input
8
Output
40
Difficulty
starter

Input: 7 → [?] → 12, what is the rule?

Show answer

Answer: +5

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

? → [×5] → 20

Show answer

Answer: 4

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

? → [×3] → 21

Show answer

Answer: 7

SubType
find-input
Rule
×3
Input
7
Output
21
Difficulty
starter

? → [×5] → 5

Show answer

Answer: 1

SubType
find-input
Rule
×5
Input
1
Output
5
Difficulty
starter

Input: 3 → [+2] → ?

Show answer

Answer: 5

SubType
find-output
Rule
+2
Input
3
Output
5
Difficulty
starter

? → [×3] → 3

Show answer

Answer: 1

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