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प्रश्न
A post office functions from 10 a.m to 5.45 p.m with a lunch break of 1 hour. If the post office works for 6 days a week, find the total duration of working hours in a week
उत्तर
Closing time of the post office 5.45 p.m. = (5 + 12):45 hour
= 17:45 hours.
Starting time of the post office = 10 a.m
= 10:00 hours
For a day total working hour without break = 17:45 hour – 10:00 hours
= 07:45 hour
Lunch break = 01:00 hour
Duration of Working hours = 6:45 hours
For 6 days working hours = 6:45 hour × 6
= (6 hours 45 minutes) × 6
= 36 hours 270 minutes
= 36 hours + (4 × 60 + 30) minutes
= 36 hours + (4 hours + 30 minutes)
= 40 hours + 30 minutes
The total duration of working hours in 6 days = 40 hours 30 minutes.
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