Recently I appeared for an interview at Airtel Wynk office, Gurgaon for the role of Automation Test Engineer. Here is the Automation testing interview question with free solution:

__Suppose you have an Integer "4296"__

**Question:**__Find smallest digit in integer i.e. '2' in "4296"__

**Step 1:**__Subtract smallest digit from all digits of the integer i.e. "New Integer" becomes: (4-2)(2-2)(9-2)(6-2) = "2074"__

**Step 2:**__Now, Add all digits of New integer and print the sum i.e. 2+0+7+4 = "13"__

**Step3:**