hard Set 98 Form Exercise

Input: 2 → [+5] → ?

Show answer

Answer: 7

SubType
find-output
Rule
+5
Input
2
Output
7
Difficulty
hard

Input: 5 → [?] → 25, what is the rule?

Show answer

Answer: ×5

SubType
find-rule
Rule
×5
Input
5
Output
25
Difficulty
hard

? → [+2] → 3

Show answer

Answer: 1

SubType
find-input
Rule
+2
Input
1
Output
3
Difficulty
hard

? → [+4 ×2] → 12

Show answer

Answer: 2

SubType
find-input
Rule
+4 ×2
Input
2
Output
12
Difficulty
hard

Input: 8 → [?] → 10, what is the rule?

Show answer

Answer: +2

SubType
find-rule
Rule
+2
Input
8
Output
10
Difficulty
hard

Input: 6 → [?] → 16, what is the rule?

Show answer

Answer: ×3 - 2

SubType
find-rule
Rule
×3 - 2
Input
6
Output
16
Difficulty
hard

? → [×3 - 2] → 28

Show answer

Answer: 10

SubType
find-input
Rule
×3 - 2
Input
10
Output
28
Difficulty
hard