They have 4 rounds in all. Written HR Operations round HR management round Written having basic knowledge of English, numeric abilities, grammar and other. HR will basically check your previous work background if experienced or will ask general interview questions to fresher. Operations round is a bit difficult here they will ask you reason to leave your current job, about the process they are hiring for, about mercer and process specific questions. The last round if you manage to go by is the simplest of them all. Here the discussion will be basically of the pay and pay related questions. For fresher it's better to accept whatever is on offer since the facilities mercer provides is one of the best.

After submitting a resume, I received a HireVue application which consisted of 3-5 questions (answers were recorded in response). After passing the HireVue, I received an invitation to Superday, where I had two behavioral interviews, a case study, and an informal peer chat interview.