allery20 मनुष्य-तास लागणारे एक काम समान कार्यक्षमता असलेल्या 5 व्यक्तींचा एक गट किती वेळात पूर्ण करेल?
A2 तास
B10 तास
C5 तास
D4 तास
Answer & Solution
Correct answer: D. 4 तास
20 मनुष्य-तासांना 5 मजुरांनी भागल्यास 4 तास मिळतात.
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