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What would be the average flow per hour (litre/hour) water consumption if 5000 litres is used per day?
500
400
208.33
100
208.33
Divide 5000 by 24 by first simplifying: 5000/24=2500/12=1250/6=625/3. Recognizing 1/3 is 0.33 makes the final result 208.33 obvious.
Total daily consumption = 5000 litres. Number of hours in one day = 24 hours.
Average┬аflow┬аper┬аhour=Total┬аtime┬аin┬аhoursTotal┬аconsumptionтАЛ
Divide 5000 by 24 by first simplifying: 5000/24=2500/12=1250/6=625/3. Recognizing 1/3 is 0.33 makes the final result 208.33 obvious.
Many students mistakenly divide by 10 or 12 instead of 24, as they associate 'day' with 'working hours' rather than a standard 24-hour cycle.
Identify the relationship
Since the goal is to find the average flow per hour from a daily total, we use the total number of hours in a day.
Total┬аhours┬аper┬аday=24
Apply the formula
Divide the total consumption of 5000 litres by 24 hours to find the hourly rate.
Rate=245000тАЛ
Perform calculation
Calculating the fraction: 5000├╖24=208.333... which rounds to 208.33.
245000тАЛтЙИ208.33
C is correct because dividing the total daily consumption of 5000 litres by 24 hours results in approximately 208.33 litres per hour.
This concept of rates is fundamental to Pipe and Cistern problems in aptitude tests, where flow rates are frequently converted between minutes and hours.
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