In the year 2018, Company U published 7200 books, out of which it distributed 70% among its distributors. Among the total books distributed by Company U, the ratio of academic to non-academic books was 5 : 4. What was the absolute number of non-academic books distributed by Company U?

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?