The total number of subscribers across five channels (A, B, C, D, and E) is 12,000, where channel A has 1,440 subscribers and channel E has 1,200 subscribers. If the subscribers of channel A and E are combined and then redistributed between them in the ratio 5 : 3, what will be the new number of subscribers in channel A?

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?