The marks scored in an examination by Divya in 5 subjects, when shown in a pie chart, make the following central angles: Hindi: 84° English: 60° Mathematics: 63° Science: 57° Social Science: 96° If she obtained 105 marks in Mathematics, what is the total marks obtained by her in these 5 subjects?

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?