नीचे दी गई तालिका के आधार पर, जो वर्ष 2021 से 2025 तक पांच छात्रों के (100 में से) अंक दर्शाती है, कितने छात्रों ने 2023 से 2025 तक प्राप्त अंकों में निरंतर गिरावट का अनुभव किया? वर्षABCDE2021758275847420229093858679202396766585852024928566818220258682738083

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?