Qa Head Interview Questions

46,253 qa head interview questions shared by candidates

You begin by opening every locker. Then you close every second locker. Then you go to every third locker and open it (if it's closed) or close it (if it's open). Let's call this action toggling a locker. Continue toggling every nth locker on pass number n. After 100 passes, where you toggle only locker #100, how many lockers are open?
avatar

QA Engineer

Interviewed at Walt Disney Company

3.8
Aug 14, 2015

You begin by opening every locker. Then you close every second locker. Then you go to every third locker and open it (if it's closed) or close it (if it's open). Let's call this action toggling a locker. Continue toggling every nth locker on pass number n. After 100 passes, where you toggle only locker #100, how many lockers are open?

Viewing 1161 - 1170 interview questions

Glassdoor has 46,253 interview questions and reports from Qa head interviews. Prepare for your interview. Get hired. Love your job.