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A Contractor contracts to build a house in 30 days.He employed 20 mans to complete the house. After 20 days, they completed only 1/3 of the total of the total work how many more men will be required to finish the remaining work within the due time? |
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Answer» Answer:a contractor GOT a contract to build a building in 30 days and employed 20 men to do the WORK. only 1/4 work was completed in 10 days. how many more men be employed so that the work be completed in the specified time? : Find the number of man-hrs to complete 1/4 of the job 20 * 10 = 200 man-days therefore 3 * 200 = 600 man-days required to complete the job (For a total of 800 man-days) : Let m, = no. of additional men required to complete the job in the remaining 20 days 20(m + 20) = 600 20m + 400 = 600 20m = 600 - 400 20m = 200 m = 200/20 m = 10 additional men required to finish the job in the required 30 days : Hope I got it right |
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