एक छात्र द्वारा पांच विषयों में निम्नलिखित अंक प्राप्त किए गए हैं: विषय | अंक (50 में से) CS | 49 इतिहास | 41 अंग्रेजी | 49 विज्ञान | 44 सामाजिक विज्ञान | 47 छात्र द्वारा प्राप्त अंकों का प्रतिशत क्या है?

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?