alleryDev হলো Esha-র চেয়ে 50% বেশি কর্মক্ষম, যে একা একটি কাজ 30 দিনে সম্পন্ন করে। Dev-এর একার প্রয়োজন
A15 দিন
B45 দিন
C25 দিন
D20 দিন
Answer & Solution
Correct answer: D. 20 দিন
Dev-এর কাজের হার হলো প্রতিদিন 1.5 x 1/30 = 1/20, তাই তার 20 দিন প্রয়োজন।
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