Question
Download Solution PDFअब से सात वर्ष बाद विराट की आयु मोहिंदर की आयु की दोगुनी हो जाएगी। पाँच वर्ष पहले, मोहिंदर की आयु, विराट की आयु के 2/5 से एक वर्ष कम थी। विराट की वर्तमान आयु कितनी है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFमाना कि विराट और मोहिंदर की आयु क्रमशः A और B वर्ष है।
अब से सात वर्ष बाद विराट की आयु ,मोहिंदर से दोगुनी हो जाएगी,
⇒ (A + 7) = 2(B + 7)
⇒ A – 2B = 7
पाँच वर्ष पहले, मोहिंदर की आयु, विराट की आयु के 2/5 से एक वर्ष कम थी,
⇒ (B – 5) = 2/5(A – 5) – 1
⇒(B - 5) = \(\frac{2A - 10 - 5}{5}\)
⇒ 5B - 25 = 2A - 15
⇒ 2A – 5B = -10
⇒ 2(7 + 2B) – 5B = -10
⇒ B = 24
⇒ A = 7 + 48 = 55
∴ विराट की आयु 55 वर्ष है।
Last updated on Jun 11, 2025
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