Question
Download Solution PDFএখন থেকে সাত বছর পর বিরাটের বয়স হবে মহিন্দরের দ্বিগুণ। পাঁচ বছর আগে মহিন্দরের বয়স ছিল বিরাটের বয়সের 2/5 অংশ থেকে এক বছর কম। বিরাটের বর্তমান বয়স কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFধরা যাক বিরাট এবং মহিন্দরের বয়স যথাক্রমে A এবং B বছর
এখন থেকে সাত বছর পর বিরাটের বয়স হবে মহিন্দরের চেয়ে দ্বিগুণ।
⇒ (A + 7) = 2(B + 7)
⇒ A - 2B = 7
পাঁচ বছর আগে, মহিন্দরের বয়স বিরাটের বয়সের 2/5 অংশ থেকে এক বছর কম ছিল,
⇒ (B - 5) = 2/5(A - 5) - 1
⇒ 2A - 5B = -10
⇒ 2(7 + 2B) - 5B = -10
⇒ B = 24
⇒ A = 7 + 48 = 55
∴ বিরাটের বয়স 55 বছর।
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