The following table represents the number of employees in different categories across five factories (A, B, C, D, and E). CategoryABCDETotal Officers2702201603101651125 Supervisors2001802802502701180 Technicians3302902552802251380 Skilled Labourers15013011012595610 Unskilled Labourers18075180200155790 Total113089598511659105085 The number of supervisors in factory A accounts for approximately what percent of the total strength of supervisors across all factories?

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?