ServiceNow interview questions

1. How to get child records of a Parent record if given with it's sys_id. Child may contain more child records to it and should return all child records to the last level. 2. array has 'n' number of elements in it and you should print multiplication of those numbers excluding the number in first position in first iteration and second number in second iteration and so on.. ex: array has 1,2,3,4,5 it should print result in following way 2*3*4*5 1*3*4*5 1*2*4*5 1*2*3*4 3. create a text box with 0 as input by default on UI and create two buttons below as '+' , '-'. When + is clicked, 0 in the text input should become 1 and keep on increasing upon multiple clicks. When - is clicked, 0 should be decremented and so on..

Describe a previous experience that aligns with the needs of the role.