alleryనలుగురు వ్యక్తులు 15 రోజులు చేసే పని ఎన్ని మనిషి-రోజులకు సమానం?
A45
B50
C75
D60
Answer & Solution
Correct answer: D. 60
మనిషి-రోజులు అంటే వ్యక్తుల సంఖ్య మరియు రోజుల లబ్ధం, కాబట్టి 4 x 15 = 60.
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