There are 38 different groups of students in a class. Each group consists of an equal number of students. 6 groups are asked to carry out projects on biomass energy, 9 groups on geothermal energy, and 4 groups on wind energy. The rest of the groups work on fossil fuels. If a pie chart represents the distribution of groups working on renewable energy vs others (fossil fuels), what is the correct representation?

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?