allery15 জন মানুহৰ এটা দলে এটা কাম 20 দিনত শেষ কৰে। 25 জন মানুহৰ দল এটাক প্ৰয়োজন হ'ব
A15 দিন
B10 দিন
C12 দিন
D8 দিন
Answer & Solution
Correct answer: C. 12 দিন
কামটো হ'ল 15 x 20 = 300 man-days, গতিকে 25 জন মানুহক লাগিব 300/25 = 12 days।
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