In a study of two colonies B and C, the percentage-wise breakup of population categories is given. In colony B, males constitute 50%, females 30%, and children 20%. In colony C, males constitute 40%, females 35%, and children 25%. If the number of females in colony B exceeds the number of children in colony C by 112, and the total number of males in both colonies combined is 1400, find the total number of people in colony C.

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?