expert Set 34 Form Exercise

Input: 4 → [×5] → ?

Show answer

Answer: 20

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

? → [+4 ×2] → 20

Show answer

Answer: 6

SubType
find-input
Rule
+4 ×2
Input
6
Output
20
Difficulty
expert

Input: 7 → [?] → 35, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
7
Output
35
Difficulty
expert

Input: 5 → [?] → 10, what is the rule?

Show answer

Answer: +5

SubType
find-rule
Rule
+5
Input
5
Output
10
Difficulty
expert

? → [×2 + 3] → 23

Show answer

Answer: 10

SubType
find-input
Rule
×2 + 3
Input
10
Output
23
Difficulty
expert

Input: 1 → [?] → 0, what is the rule?

Show answer

Answer: -1

SubType
find-rule
Rule
-1
Input
1
Output
0
Difficulty
expert

Input: 5 → [?] → 13, what is the rule?

Show answer

Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
5
Output
13
Difficulty
expert

? → [+10] → 18

Show answer

Answer: 8

SubType
find-input
Rule
+10
Input
8
Output
18
Difficulty
expert