hard Set 27 Form Exercise

Input: 10 → [+10] → ?

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Answer: 20

SubType
find-output
Rule
+10
Input
10
Output
20
Difficulty
hard

? → [×2 + 1] → 13

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Answer: 6

SubType
find-input
Rule
×2 + 1
Input
6
Output
13
Difficulty
hard

Input: 5 → [?] → 2, what is the rule?

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Answer: -3

SubType
find-rule
Rule
-3
Input
5
Output
2
Difficulty
hard

Input: 7 → [+10] → ?

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Answer: 17

SubType
find-output
Rule
+10
Input
7
Output
17
Difficulty
hard

? → [-3] → 4

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Answer: 7

SubType
find-input
Rule
-3
Input
7
Output
4
Difficulty
hard

Input: 7 → [-1] → ?

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Answer: 6

SubType
find-output
Rule
-1
Input
7
Output
6
Difficulty
hard

Input: 10 → [+4 ×2] → ?

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Answer: 28

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

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

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Answer: ×5

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