alleryদৈনিক 8 hours-কৈ কাম কৰি 10 জন মানুহে 18 days-ত এখন দেৱাল সাজে। দৈনিক 6 hours-কৈ 12 জন মানুহক প্ৰয়োজন
A18 days
B24 days
C15 days
D20 days
Answer & Solution
Correct answer: D. 20 days
দেৱালখন হ'ল 10 x 8 x 18 = 1440 man-hours, আৰু দৈনিক 12 x 6 = 72-এ 20 days দিয়ে।
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