30. 10 persons working 7 hours a day finish a piece of work in 12 days, then
how much time per day require for 6 men doing to finish the work in 14
days?
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Answer: 12 men×6hrs × 14 days =72*14 man-day-hrs.
72×14 man-day-hrs ————— 1work
Let the no. of workers be X.
Therefore total man -day -hrs =56X ——— 1work
According to the question,
56X=72×14
X=18 workers
Step-by-step explanation:
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