नीचे दिए गए आंकड़ों के आधार पर, 2015 से 2019 तक बिजली की खपत में कितने प्रतिशत की वृद्धि हुई? वर्ष | जनसंख्या (मिलियन में) | बिजली की खपत (GW) 2015 | 20 | 25 2016 | 30 | 40 2017 | 40 | 60 2018 | 50 | 80 2019 | 60 | 100

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?