The world is not kind to those who does not tackle their own problems.
“do not” in place of “does not”
Each question in this portion has a sentence with three parts (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response accordingly against the corresponding letter, i.e. (a), (b) or (c). If you find no error, your response should be indicated as (d).