Based on a total night shift workforce of 80,500 people across six industries, where the Call Centre industry accounts for 32% of the workforce and 45% of those working in the Call Centre are females, what is the ratio of the number of males to the number of females working in the night shift in the Call Centre industry?

In a data table, the production of rice for country Q and country R is 60 lakh tons and 54 lakh tons respectively. The production of wheat for country S and country T is 52 lakh tons and 52 lakh tons respectively. What is the ratio of the total production of rice of countries Q and R to the total production of wheat of countries S and T?

In a survey of 5 countries (P, Q, R, S, T), the rice production values are 40, 60, 54, 70, and 51 lakh tons respectively. What is the average production of rice (in lakh tons) across all 5 countries?