hard Set 29 Form Exercise

? → [+5] → 9

Show answer

Answer: 4

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

Input: 8 → [×2 + 3] → ?

Show answer

Answer: 19

SubType
find-output
Rule
×2 + 3
Input
8
Output
19
Difficulty
hard

? → [×2] → 6

Show answer

Answer: 3

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

? → [+4 ×2] → 28

Show answer

Answer: 10

SubType
find-input
Rule
+4 ×2
Input
10
Output
28
Difficulty
hard

Input: 4 → [?] → 10, what is the rule?

Show answer

Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
4
Output
10
Difficulty
hard

? → [-1] → 4

Show answer

Answer: 5

SubType
find-input
Rule
-1
Input
5
Output
4
Difficulty
hard

? → [×2 + 3] → 9

Show answer

Answer: 3

SubType
find-input
Rule
×2 + 3
Input
3
Output
9
Difficulty
hard

Input: 5 → [×3] → ?

Show answer

Answer: 15

SubType
find-output
Rule
×3
Input
5
Output
15
Difficulty
hard