12th Class Geography Solved Paper - Geography 2013 Delhi Set-I

  • question_answer
    How is sex ratio calculated in different countries of the world?

    Answer:

    Sex ratio is calculated by the following formulas:
    (i) \[\text{Male population/Female population}\times 100\]
    Or
    (ii) \[\text{Female population/Male population}\times 100\]
    Or
    (iii) The number of females per thousand males


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