Question
Download Solution PDFयदि 6 वर्ष पहले मेरी आयु का 80%, 10 वर्ष बाद मेरी आयु के 60% के समान है। मेरी वर्तमान आयु के अंकों का गुणनफल क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFमाना कि मेरी वर्तमान आयु x है
⇒ छह वर्ष पहले मेरी आयु होगी = (x - 6)
⇒ 10 वर्ष के बाद मेरी आयु = (x + 10)
प्रश्न के अनुसार
⇒ (x – 6) का 80% = (x + 10) का 60%
⇒ 4x – 24 = 3x + 30
⇒ x = 54
∴ अंकों का गुणनफल = 5 × 4 = 20
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