Question
Download Solution PDFदो दोस्तों की आयु का अनुपात 4 : 3 है, जो 4 वर्ष बाद 6 : 5 हो जाएगा। अब से 22 वर्ष बाद उनकी आयु का योग (वर्षों में) क्या होगा?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
दो दोस्तों की आयु का अनुपात 4:3 है, जो 4 वर्ष बाद 6:5 हो जाएगा।
प्रयुक्त सूत्र:
मान लीजिये वर्तमान आयु 4x और 3x है।
गणना:
4 वर्ष बाद, (4x + 4)/(3x + 4) = 6/5
⇒ 5(4x + 4) = 6(3x + 4)
⇒ 20x + 20 = 18x + 24
⇒ x = 2
वर्तमान आयु 4x = 4 × 2 = 8 वर्ष और 3x = 3 × 2 = 6 वर्ष है।
22 वर्ष बाद उनकी आयु का योग = (8 + 22) + (6 + 22)
⇒ 30 + 28 = 58
∴ सही उत्तर विकल्प (4) है।
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