Qa Engineering Analyst Interview Questions

6,336 qa engineering analyst interview questions shared by candidates

You have 3 light bulbs in the attic and 3 switches in the basement. All of the lights are currently off. Each switch in the basement is wired to one light in the attic. With only making 1 trip to the basement, and one trip to the attic, how can you correctly identify which switch goes to which light?
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QA Analyst

Interviewed at Eze Software

3.8
Aug 10, 2010

You have 3 light bulbs in the attic and 3 switches in the basement. All of the lights are currently off. Each switch in the basement is wired to one light in the attic. With only making 1 trip to the basement, and one trip to the attic, how can you correctly identify which switch goes to which light?

In a pitch black room you have a drawer with 27 black socks, 18 gray socks, and 9 navy socks. The socks are all individual. What is the minimum number of socks you have to pull out of the drawer to guarantee you have a pair of socks that is not navy?
avatar

QA Analyst

Interviewed at Eze Software

3.8
Aug 17, 2010

In a pitch black room you have a drawer with 27 black socks, 18 gray socks, and 9 navy socks. The socks are all individual. What is the minimum number of socks you have to pull out of the drawer to guarantee you have a pair of socks that is not navy?

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