5 machines when operated for 9 hrs each day can harvest a farm in 16 days . How many days would 8 machines take to harvest the same field if each machine is now operated for 10 hours each day?

Dear Student,

Work done by 5 machines per day=116Work done by 5 machines per day per hour=116×9Work done by 1 machines per day per hour=116×9×5Let x be the day taken by 8 machines which is operated 10 hours each day.Thus,Work done by 8 machines working 10 hours each day for x days=8×10×xThus,116×9×5×8×10×x=1x=9 days

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Hope this information will clear your doubts about this topic.       
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