ServiceNow Software QA Engineer interview questions

How will you test a website's functionality?

1.Given a page with list of items containing image and productname. Asked me to come up tcs i can write on this page both funtional and non functional. 2.Asked me if the above list rendered on page displays 10rcds and on scrolling down, shows next 10rcds, so he asked me to search for a rcd which appears in 3rd scroll through automation. 3.asked me to open google page and type in some text and search. On search results page i have to write xpath for perticular link. 4.Asked me to write all possible test data for a binary tree node code alreay available which returns lesser number as output.(Question is more about how i can come up with testdata). 5.java program to assign train berth to given number considering 1 to 8 are assigned to lower to side upper berths on train coach respectively.