A water tank contains 1000 litres of water. If 9 litres of water are used every hour, what will be the quantity of water in the tank after 10 hours? How long it will take to empty the tank?
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Answer:
Water Tank capacity=1000 litres
9 litres per hour use for 10 hours
9 litres × 10 hours = 90 litres water used
total capacity-used water
1000-90
910 litres water
water capacity/one hour water use
1000/9
111.11
approximately 111 Hour takes to empty tank
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