alleryఎనిమిది మంది కార్మికులు ఒక పనిపై ఒక్కొక్కరు 9 గంటలు పనిచేశారు. మొత్తం వెచ్చించిన మనిషి-గంటలు:
A64
B17
C72
D81
Answer & Solution
Correct answer: C. 72
మనిషి-గంటలు అంటే కార్మికుల సంఖ్య మరియు గంటల లబ్ధం, కాబట్టి 8 x 9 = 72.
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