allery20 మ్యాన్-అవర్స్ అవసరమైన ఒక పనిని సమాన సామర్థ్యం గల 5 మంది వ్యక్తుల బృందం పూర్తి చేసే సమయం
A2 గంటలు
B10 గంటలు
C5 గంటలు
D4 గంటలు
Answer & Solution
Correct answer: D. 4 గంటలు
20 మ్యాన్-అవర్స్ను 5 మంది కార్మికులతో భాగిస్తే 4 గంటలు వస్తుంది.
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