विभिन्न विषयों में पांच छात्रों के अंक (150 में से) निम्नलिखित तालिका में दिए गए हैं: विषय/छात्रहिंदीअंग्रेजीभौतिकीरसायन विज्ञानगणितरवि135140132121141दीपक120135139112136सरिता11012612097130कमल13012598102120दिव्या136130101100115 रवि द्वारा गणित में प्राप्त अंकों का प्रतिशत कितना 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?