Sex ratio is: (A) 1 male per 1000 females, (B) 1000 females for 1000 males, (C) Number of female for 1000 males, (D) 1000 females per 100000 males
Answer is C. Sex ratio is defined as the number of females per 1000 males. It is one of the basic demographic characteristic of a population. Reference : Park&;s textbook of preventive and social medicine, 23rd edition, pg no:482