Amex, Recently Asked Online Assessments in 21 Aug, 2025 | Spiral Matrix Diagonal Sum

Question 1: Safe Deposit Lockers Problem Statement: Anisha is starting a new business. She is setting up safe deposit lockers across the city in different places like bus stops, railway stations, parks etc. In these lockers, for a fee, customers can temporarily store their luggage or any other articles, and take it away later. They can lock and unlock the locker using an app. When storing the articles, the customer locks the locker by providing an odd number of their ...