The present ages of two girls are 36 and 50 years respectively If after n years the ratio of their ages will be 3 : 4, then the value of n is दो लड़कियों की वर्तमान आयु क्रमशः 36 और 50 वर्ष हैं | यदि n वर्षों बाद उनकी आयु का अनुपात 3 : 4 हो जाता है , तो n का मान है

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