allery4 জন মানুহৰ 15 দিনৰ কাম কিমান man-days-ৰ সমান?
A45
B50
C75
D60
Answer & Solution
Correct answer: D. 60
Man-days হ'ল মানুহ আৰু days-ৰ গুণফল, গতিকে 4 x 15 = 60।
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