9 workers can reap a paddy field in 18 days.45
workers can complete the same work in how
many days?
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Answer:
If 15 men working for 9 hours a day can reap a field in 16 days
The total work for reaping the field is
= 15 men × 9 hours × 16 days
= 2160 man-hour-days
How many days will it take 18 men to reap the field if they work for 8 hours a day?
Work done by 18 men working 8 hours a day
= 18 men × 8 hours
= 144 man-hours
Number of days the work will be completed
= Total work in terms of men-hour-days / men hours available
= 2160 men-hour-days / 144 men - hours
= 15 days
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