The total number of subscribers across five channels (A, B, C, D, and E) is 12,000, with B having 2,160 subscribers and E having 1,200 subscribers. If the subscribers of channel B are increased by 25% and those of channel E are decreased by 20%, what will be the ratio of the new subscribers of B to the new subscribers of E?

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?