expert Set 98 Form Exercise

? → [-3] → 2

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Answer: 5

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

? → [+5] → 12

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Answer: 7

SubType
find-input
Rule
+5
Input
7
Output
12
Difficulty
expert

? → [×2] → 20

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Answer: 10

SubType
find-input
Rule
×2
Input
10
Output
20
Difficulty
expert

Input: 3 → [×3 - 2] → ?

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Answer: 7

SubType
find-output
Rule
×3 - 2
Input
3
Output
7
Difficulty
expert

Input: 8 → [?] → 7, what is the rule?

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Answer: -1

SubType
find-rule
Rule
-1
Input
8
Output
7
Difficulty
expert

Input: 4 → [+2] → ?

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Answer: 6

SubType
find-output
Rule
+2
Input
4
Output
6
Difficulty
expert

Input: 3 → [×5] → ?

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Answer: 15

SubType
find-output
Rule
×5
Input
3
Output
15
Difficulty
expert

Input: 2 → [×5] → ?

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Answer: 10

SubType
find-output
Rule
×5
Input
2
Output
10
Difficulty
expert