<prompt> Sex ratio is ?Number of males per 100 femalesNumber of males per 1000 femalesNumber of females per 100 malesNumber of females per 1000 males  <response>: Ans. is d i.e., Number of females per 1000 males Sex ratio Sex ratio is defined as the number of females per 1000 males. Sex ratio is considered as :- Favourable : When females are more than males 1000 females per 1000 males. Unourable : When females are less than males 1000 females per 1000 males. Ideal : Females are equal in number as males 1000 females per 1000 males. India has sex ratio 940 It was 933 in 2001. Only two statesUT have ourable sex ratio : Kerala highest sex ratio of 1084 and Puducherry. Dadra Nagar Haveli has lowest sex ratio. Child sex ratio is defined as females 0-6 years age per 1000 males 0-6 years age. Child sex ratio of India has reached an all time low of 914 since 1961. The fall has been 13 points from 927 in 2001 to 914 in 2011. It is highest in Mizoram and lowest in Harayana. Sex ratio at bih in India is 914. 