[Probability] Software Tester A found 80 bugs. Software Tester B found 60 bugs. And they found 40 bugs that were common between them. Can you estimate the total number of bugs in the system?

Data Science Interview Questions › Category: Data Science › [Probability] Software Tester A found 80 bugs. Software Tester B found 60 bugs. And they found 40 bugs that were common between them. Can you estimate the total number of bugs in the system?
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MockInterview Staff asked 7 years ago
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MockInterview Staff answered 7 years ago

Answer: 120. Logic: https://leankit.com/blog/2015/12/how-many-bugs-are-left-the-software-qa-puzzle/

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