পরিবেশ অধিদপ্তর ।। কম্পিউটার অপারেটর (07-04-2023) || 2023
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Created:
4 weeks ago
|
Updated:
2 weeks ago
Area of garden= (21×15)=315m2
Area with path= (25×19)= 475m2
Only path area = (475-315)=160m2
Total cost= (160×2.75)=440 tk
Created:
4 weeks ago
|
Updated:
7 hours ago
মনে করি, পুত্রের বর্তমান বয়স x বছর
পিতার বর্তমান বয়স 2x+4 বছর
5 বছর পরে পুত্রের বয়স হবে x + 5 বছর
5 “ ” পিতার “ ” 2x + 4 + 5 বছর
প্রশ্নমতে, x + 5 + 2x + 4 + 5 = 104
বা, 3x + 14 = 104
বা, 3x = 104 - 14
বা, 3x = 90
বা, X =
∴ পুত্রের বর্তমান বয়স 30 বছর
পিতার বর্তমান বয়স (2x30+ 4) বছর
= 64 বছর
উত্তর: পিতার বর্তমান বয়স 64 বছর।
Created:
4 weeks ago
|
Updated:
6 hours ago
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