hard Set 97 Form Exercise

Input: 10 → [?] → 20, what is the rule?

Show answer

Answer: +10

SubType
find-rule
Rule
+10
Input
10
Output
20
Difficulty
hard

Input: 2 → [×3] → ?

Show answer

Answer: 6

SubType
find-output
Rule
×3
Input
2
Output
6
Difficulty
hard

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

Show answer

Answer: ×2 + 1

SubType
find-rule
Rule
×2 + 1
Input
9
Output
19
Difficulty
hard

Input: 7 → [?] → 21, what is the rule?

Show answer

Answer: ×3

SubType
find-rule
Rule
×3
Input
7
Output
21
Difficulty
hard

Input: 3 → [×2] → ?

Show answer

Answer: 6

SubType
find-output
Rule
×2
Input
3
Output
6
Difficulty
hard

? → [-1] → 5

Show answer

Answer: 6

SubType
find-input
Rule
-1
Input
6
Output
5
Difficulty
hard

Input: 5 → [?] → 25, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
5
Output
25
Difficulty
hard

Input: 8 → [?] → 18, what is the rule?

Show answer

Answer: +10

SubType
find-rule
Rule
+10
Input
8
Output
18
Difficulty
hard