Total female population of Tamil Nadu and Jharkhand together
=2050000×1225+960000×920
=984000+432000
=1416000
Total male population of Tamil Nadu and Jharkhand together
=2050000×1325+960000×1120
= 1066000 + 528000 = 1594000
∴ Required ratio =14160001594000=14161594=708797=708:797