📕 FREE Guide2026 Quant Firm Tier List

SIG Interview Question

SIGIntern Interview

What is inheritance? What is polymorphism? The probability of three people have the birthday on the same day of a week?

Unlock the Full Solution

Enter your email to get instant access to the complete solution, explanation, and similar practice problems.

Want to ace more quant interviews?

Get access to our comprehensive interview preparation course with hundreds of real interview questions, detailed solutions, and personalized mentorship from quants at top firms.

Start Your Prep Today

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.