48 kg of cotton is spin by working 8 hours daily.
Amount of cotton in 1 hour = [tex]\frac{48}{8} = 6kg[/tex]
6 kg of cotton is spin in by 60 women in 1 hour.
Hence, cotton spun by 1 woman in 1 hour = [tex]\frac{6}{60} = \frac{1}{10}[/tex]
Cotton spin by 30 women working 12 hours daily is given as the product of number of women, working hours and the rate.
[tex]30*12*\frac{1}{10} = 36 kg[/tex]... Answer