Find out the error part of the following sentences : I lived (1) in a three-hundred-years (2) old house (3)/ in Mumbai (4)/ No error (5)

Explanation

A three-hundred-years की जगह A three hundred-year का प्रयोग होगा A + cardinal Adjective + hyphen (-) + S.N प्रयोग होता है। न कि A + cardinal Adjective + hyphen (-) + plural noun का।