In the following questions, two equations Quantity I and Quantity II are given. You have to solve both the equations and give answer. निम्नलिखित प्रश्नों में, दो समीकरणों के मात्रा I और मात्रा II दिए गए हैं। आपको दोनों समीकरणों को हल करना है और प्रश्न का उत्तर देना है। Quantity I: The ratio of ages of two friends P and Q is 5:7 and the ratio of age of P before 4 year and the age of Q after 10 year is 1:2,then find the present age of P? Quantity II: The ratio of age the present age of P and Q is 5:8 and the ratio of their ages will become 2:3 after 7 year, then find present age of P? मात्रा I: दो मित्रों P और Q की आयु का अनुपात 5: 7 है , 4 वर्ष से पहले P की आयु और 10 वर्ष के बाद Q की आयु का अनुपात 1: 2 है, तो P की वर्तमान आयु ज्ञात कीजिए? मात्रा II: P और Q की वर्तमान आयु का अनुपात 5: 8 है , उनकी आयु का अनुपात 7 वर्ष के बाद 2: 3 हो जाएगा, तो P की वर्तमान आयु ज्ञात कीजिए?
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