Consider the following table showing marks obtained by boys and girls in different subjects: SubjectsBoysGirlsA60120B80100C14040D12060E10040 Let L1 = The absolute difference between total marks obtained by boys and total marks obtained by girls in all subjects. Let L2 = The average of marks obtained by boys in subjects C, D, and E. What is the value of (L1 - L2)?

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?