expert Set 25 Form Exercise

Input: 1 → [×2 + 3] → ?

Show answer

Answer: 5

SubType
find-output
Rule
×2 + 3
Input
1
Output
5
Difficulty
expert

Input: 8 → [?] → 24, what is the rule?

Show answer

Answer: +4 ×2

SubType
find-rule
Rule
+4 ×2
Input
8
Output
24
Difficulty
expert

? → [+10] → 11

Show answer

Answer: 1

SubType
find-input
Rule
+10
Input
1
Output
11
Difficulty
expert

Input: 7 → [+2] → ?

Show answer

Answer: 9

SubType
find-output
Rule
+2
Input
7
Output
9
Difficulty
expert

Input: 1 → [?] → 3, what is the rule?

Show answer

Answer: ×3

SubType
find-rule
Rule
×3
Input
1
Output
3
Difficulty
expert

? → [×5] → 20

Show answer

Answer: 4

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

Input: 3 → [+4 ×2] → ?

Show answer

Answer: 14

SubType
find-output
Rule
+4 ×2
Input
3
Output
14
Difficulty
expert

Input: 9 → [?] → 45, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
9
Output
45
Difficulty
expert