allery8 জন শ্ৰমিকে এটা কামত প্ৰতিজনে 9 ঘণ্টাকৈ কাম কৰে। মুঠ ব্যয় হোৱা man-hours হ'ল
A64
B17
C72
D81
Answer & Solution
Correct answer: C. 72
Man-hours হ'ল শ্ৰমিক আৰু hours-ৰ গুণফল, গতিকে 8 x 9 = 72।
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