hard Set 34 Form Exercise

? → [×5] → 5

Show answer

Answer: 1

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

? → [×2 + 3] → 7

Show answer

Answer: 2

SubType
find-input
Rule
×2 + 3
Input
2
Output
7
Difficulty
hard

Input: 2 → [?] → 4, what is the rule?

Show answer

Answer: ×2

SubType
find-rule
Rule
×2
Input
2
Output
4
Difficulty
hard

? → [-1] → 0

Show answer

Answer: 1

SubType
find-input
Rule
-1
Input
1
Output
0
Difficulty
hard

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

Show answer

Answer: +10

SubType
find-rule
Rule
+10
Input
5
Output
15
Difficulty
hard

Input: 10 → [?] → 7, what is the rule?

Show answer

Answer: -3

SubType
find-rule
Rule
-3
Input
10
Output
7
Difficulty
hard

? → [×2] → 8

Show answer

Answer: 4

SubType
find-input
Rule
×2
Input
4
Output
8
Difficulty
hard

Input: 3 → [×3] → ?

Show answer

Answer: 9

SubType
find-output
Rule
×3
Input
3
Output
9
Difficulty
hard