Your question is Product Questions Data Model. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Design a data model (schema) that supports product questions such as the most popular item in each city and the average order value across cuisines.
Asked in the onsite during the data modeling stage. Example questions are illustrative per the author's disclaimer. Discuss a star schema, date partitioning, multiple menus per store, and item quantities.