Study the table carefully and answer the question given below: The following table shows the number of vacancies (in thousands) for the post of clerk in three different states (Delhi, Haryana, and Punjab) over the years 2015 to 2018. States ↓ / Years →2015201620172018Delhi7.27.86.27.0Haryana5.66.25.05.2Punjab6.26.05.85.6 What is the average number of vacancies for the post of clerk in the state of Delhi for all the given years combined?

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?