If the production during 2024 from GreenGrow and EcoLife increases by 10% and 20% respectively, and that from BioFert and PureEarth decreases by 10% and 20% respectively compared to 2023, what is the average production in 2024 for all four companies together?

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?