A pie chart shows the expenditure incurred by a person on 7 articles. The total expenditure on all these 7 articles is 1800. The expenditure incurred on a particular article is represented in degrees. If the sector central angle for article L is 108° and for article P is 72°, then the expenditure incurred on article L is what percentage of the expenditure incurred on article P?

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?