alleryযদি 12 জন মানুহে এটা কাম 15 দিনত সম্পূৰ্ণ কৰিব পাৰে, তেন্তে 20 জন মানুহে ইয়াক শেষ কৰিব
A9 দিন
B10 দিন
C8 দিন
D12 দিন
Answer & Solution
Correct answer: A. 9 দিন
কামটো হ'ল 12 x 15 = 180 man-days, আৰু 180/20 = 9 days।
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