allery15 জন লোকের একটি দল একটি কাজ 20 দিনে শেষ করে। 25 জন লোকের একটি দলের প্রয়োজন হবে
A15 দিন
B10 দিন
C12 দিন
D8 দিন
Answer & Solution
Correct answer: C. 12 দিন
কাজটি হলো 15 x 20 = 300 man-days, তাই 25 জন লোকের প্রয়োজন 300/25 = 12 দিন।
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