Ifteen men could finish a piece of work in 210 days. But at the end of every 10 days, 15 additional men are employed. In how many days will the work be finished?
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Answer:
60 days
Step-by-step explanation:
15*210=3150 mandays
15*10=150 mandays
15 men added so, 30*10=300+150=450
15 men added so, 45 *10=450+450=900 mandays
15 men added so, 60*10=600+900 =1500mandays
15 men added so., 75*10=750+1500=2250mandays
90*10=900 +2250=3150
WORK COMPLETED IN 60 DAYS
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