starter Set 98 Form Exercise

? → [-3] → 7

Show answer

Answer: 10

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

Input: 3 → [?] → 6, what is the rule?

Show answer

Answer: ×2

SubType
find-rule
Rule
×2
Input
3
Output
6
Difficulty
starter

Input: 1 → [×2] → ?

Show answer

Answer: 2

SubType
find-output
Rule
×2
Input
1
Output
2
Difficulty
starter

? → [+5] → 9

Show answer

Answer: 4

SubType
find-input
Rule
+5
Input
4
Output
9
Difficulty
starter

Input: 9 → [-3] → ?

Show answer

Answer: 6

SubType
find-output
Rule
-3
Input
9
Output
6
Difficulty
starter

? → [+2] → 12

Show answer

Answer: 10

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

Input: 5 → [-1] → ?

Show answer

Answer: 4

SubType
find-output
Rule
-1
Input
5
Output
4
Difficulty
starter

Input: 9 → [?] → 19, what is the rule?

Show answer

Answer: +10

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