A vegetable vendor supplies vegetables to a housing complex. In a pie chart representing the day's sales breakdown, the sectors are: Potatoes = 80°, Tomatoes = 70°, Beans = 45°, Onions = 95°, and Others = 70°. What is the ratio of the central angle corresponding to the sale of potatoes, tomatoes, and beans together to the central angle corresponding to the combined sale of onions and others?

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?