A village having population of 4000 requires 150 litres of water per head per tank measuring 20m x 15m h=6m for how many days will the water of the tank burry.
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Daily need of water = 4000 x 150
Amount of water in tank = 20 x 15 x 6 x 1000
Number of days = Amount of water / Daily need
= (20 x 15 x 6 x 1000) / (4000 x 150) = 3
Daily need of water = 4000 x 150
Amount of water in tank = 20 x 15 x 6 x 1000
Number of days = Amount of water / Daily need
= (20 x 15 x 6 x 1000) / (4000 x 150) = 3
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population = 4000
litres per head = 150 l
total litres of water for population = 600000 L
volume of cuboid = l×b×h = 20×15×6 = 1800 m3
litres of water in tank = 1L = 1000m3
= 1800 m3 = 1800000L
days it will last = 1800000÷600000= 3 days
litres per head = 150 l
total litres of water for population = 600000 L
volume of cuboid = l×b×h = 20×15×6 = 1800 m3
litres of water in tank = 1L = 1000m3
= 1800 m3 = 1800000L
days it will last = 1800000÷600000= 3 days
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