Which of the following statement (s) is/are not correct about Sex Rat…

The world pattern of sex ratio does not exhibit variations in the developed regions of the world.

The sex ratio is favourable for females in 139 countries of the world and unfavourable for them in the remaining 72 countries listed by the United Nations.

In greater part of Europe (including Russia) sex ratio is in favour of males and males are in minority.

None of the Above