150 men can complete a work in 50 days. After 15 days 25 men left the job. In how many dar
will the remaining work be finished?
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Answer:
work completed in 50 days
work complete in 1 day=1/50 part
no of men working=150
part of work completed in 1 day by 1 men = 1/50 ×1/150=1/750 part
work complete in 15 days by 150 men = 1/750 ×150×15= 3/10 part
work left 1-3/10=7/10 part
no of men working=150-25=125
part of work done in 1 day= 1/750×125=1/6 part
part left =7/10
no of days = (7/10)/1/6=42/10=4.2'days
i.e 5 days
pls mark it as brainlist
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