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SIG Interview Question

SIGQuantitative Trader Interview

A can finish a job in 100 min, B can finish the same job in 120 min. A and B work together on this job, but after 40 min C comes to help them and they finish the job in additional 10 min. How long would it take to C to finish the job by himself?

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Disclaimer: We are not affiliated with SIG in any way. This question is sourced from interviewees and public sources and may not be accurate or reflective of the company's actual interview process.