The ratio of present ages of A and B is 7:5. After 26 years the ratio of their ages will be in ratio 10:9. At present, what is the age of B? A और B के वर्तमान आयु का अनुपात 7: 5 है । 26 वर्षों के बाद उनकी आयु का अनुपात 10: 9 होगा। वर्तमान में, B की आयु क्या है?

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