550 people can complete a work in 100 days.After 10 days start of the work 50 more people join. in how many days now the work will be completed.
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550 men can do in 100days
but 550 men had worked 10 days
550men------------90days
600men------------x days
since it is an inverse variation
550--------xdays
600--------90days
cross multiply
550×90/600=82days and 12 hours
but 550 men had worked 10 days
550men------------90days
600men------------x days
since it is an inverse variation
550--------xdays
600--------90days
cross multiply
550×90/600=82days and 12 hours
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