Question
A builder recruited 60 workers to do a task in 90 days.
It was discovered that only 1/3 of the task was achieved after 60 days. Determine how many additional workers need to be hired in order to complete the work on schedule.Solution
ATQ, Let 'a' more workers joined after 60 days and let total task be 3u units Using (men X days) ÷ task = constant {(60 X 60) /u} = {(60 + a) X 30} ÷ 2u Or, a = 180 Therefore, 180 extra workers are needed so that task gets completed on time.
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