Study the following table and answer the question given below. The investment (in ₹ lakhs) made by five units of ABC Ltd. from 2012 to 2016 is given below: Year/Unit20122013201420152016P5768493487Q6545855678R4556657667S6567858965T8745456557 What is the percentage increase in the investment of unit 'Q' from 2012 to 2016?

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?