Each question in this section has a sentence with three underlined parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).
DIRECTIONS (Qs.2-8): In questions given below out of four alternatives, choose the one which can be substituted for the given word/sentence.
Extreme old age when a man behaves like a fool