If present age of a is 5 times of two less than the present age of B and the ratio of age of A and B after 5 year will be 7:2. Then find the age of A at Present. यदि A की वर्तमान आयु B की वर्तमान आयु से 2 कम का 5 गुना है और A और B की आयु का अनुपात 5 वर्ष बाद 7 : 2 होगा। तो A की वर्तमान आयु बताइए।

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