medium Set 53 Form Exercise

Input: 8 → [+5] → ?

Show answer

Answer: 13

SubType
find-output
Rule
+5
Input
8
Output
13
Difficulty
medium

? → [+5] → 15

Show answer

Answer: 10

SubType
find-input
Rule
+5
Input
10
Output
15
Difficulty
medium

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

Show answer

Answer: ×3 - 2

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

Input: 2 → [+4 ×2] → ?

Show answer

Answer: 12

SubType
find-output
Rule
+4 ×2
Input
2
Output
12
Difficulty
medium

? → [-3] → 2

Show answer

Answer: 5

SubType
find-input
Rule
-3
Input
5
Output
2
Difficulty
medium

? → [+10] → 12

Show answer

Answer: 2

SubType
find-input
Rule
+10
Input
2
Output
12
Difficulty
medium

Input: 3 → [?] → 15, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
3
Output
15
Difficulty
medium

Input: 6 → [×3] → ?

Show answer

Answer: 18

SubType
find-output
Rule
×3
Input
6
Output
18
Difficulty
medium