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InterviewSolution
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A man is 40% more efficient than a woman, and a child is 40% less efficient then a woman. 3 men, 5 women, and 4 children work for 7 days to complete a job. How many days will 2 men, 7 women and 3 children take to complete the same job? |
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Answer» 4.5 days` Therefore, a mam gives `1.4xx 10 + 14`units a day Similarly, a child gives `0.6xx 10 = 6` units a day Total job (units) `= (7 days xx per day contribution)` `=7xx (3xx14+5 xx 10 +4 xx 6)=812` units New combination `= 2 M + 7 W + 3 C` Contribution per day `= 2XX 14 + 7 xx 10 + 3 xx 6 = 116` units Days required to COMPLETE the job `=812/116 = 7 ` days |
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