The data shows the sale of books (in thousands) from five branches (B1, B2, B3, B4, and B5) of a publishing company during 2008 and 2009. Let the sales for B1, B2, and B5 in 2009 be 80, 75, and 105 respectively, and the sales for B2, B3, B4, and B5 in 2008 be 65, 110, 95, and 95 respectively. What is the ratio of the total sale of books from the branches B1, B2 and B5 in 2009 to the total sale of books from the branches B2, B3, B4 and B5 in 2008?

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?