alleryকুড়ি জন লোক 18 দিনে একটি রাস্তা পাকা করতে পারে। এটি 12 দিনে শেষ করতে প্রয়োজনীয় লোকের সংখ্যা হলো
A24
B36
C27
D30
Answer & Solution
Correct answer: D. 30
রাস্তার জন্য প্রয়োজন 20 x 18 = 360 man-days, এবং 360/12 = 30 জন লোক।
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