Question
Download Solution PDFA, B এবং C যদি একটি কাজ যথাক্রমে 6 দিন, 9 দিন এবং 11 দিনে করতে পারে, তাহলে একসাথে কাজ করতে তাদের কত দিন লাগবে?
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নিম্নরূপ A, B, এবং C এর কাজের হার বোঝায়
A এর কাজের হার = 1/6
B এর কাজের হার = 1/9
C এর কাজের হার = 1/11
মোট কাজ = A এর কাজ + B এর কাজ + C এর কাজ
মোট কাজ = (1/6) + (1/9) + (1/11)
⇒ (33/198) + (22/198) + (18/198) = 73 / 198
একসাথে কাজ শেষ করতে সময় লাগে = 1 / মোট কাজের হার
গৃহীত সময় = 1/ (73/198)
গৃহীত সময় = 198 / 73 =
∴ A, B, এবং C একসাথে কাজটি সম্পূর্ণ করতে
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