Question
Download Solution PDFA একটা কাজ 9 দিনে, B 12 দিনে এবং C 15 দিনে শেষ করতে পারে। যদি A এবং C 4 দিন কাজ করে ছেড়ে যায়, তাহলে B বাকি কাজটি কত দিনে শেষ করবে?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFA একটা কাজ 9 দিনে, B 12 দিনে এবং C 15 দিনে শেষ করতে পারে।
ধরা যাক, মোট কাজ = 180 ইউনিট
তাহলে, A-এর একদিনের কাজ = (180/9) = 20 ইউনিট
B-এর একদিনের কাজ = (180/12) = 15 ইউনিট
C-এর একদিনের কাজ = (180/15) = 12 ইউনিট
A এবং C 4 দিনে যে পরিমাণ কাজ করেছে = 4(20+12)=128 ইউনিট
বাকি কাজ = 180 - 128 = 52 ইউনিট
B বাকি কাজটি শেষ করতে নেবে = (52/15) = 3(7/15) দিন
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