Support.com Principal Software Engineer-Node Js interview questions

Interview: 1 Programming questions 1. var str = "some revenue in 2016 is 1,50,000 when GDP is 3.5%, but in 2015 it was 1,00,000 and GDP was 3.0%.." print string with reversed numbers expected o/p : some revenue in 6102 is 000,05,1 when GDP is 5.3%.... 2. Directed graph shortest path between two points. Interview: 2 1. Application architecture 2. Design a sales website which have feeding monthly sales data by Excel data sheets which contain record of product per sales person. Create report /Month/Team/Person Reports 3. DB Architecture for Q2, Web Architecture Q2, Client implementation: Q2 4. Details application scalability using Load balancer 5. Processing data via node.js where to use async, promise. 6. Google egg floor problem