Glassdoor users rated their interview experience at Ecoste as 100% positive with a difficulty rating score of 2 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Key Account Manager and rated their interviews as the hardest, whereas interviews for Key Account Manager and roles were rated as the easiest.
You just have to be confident enough through out the process. usually asked very easy question so anyone can go and clear interview.
But be prepared too because you are going for an interview