Question

The residential colony has population of 5400 requires 60 liters of water for per person per day. For the effective utilization of rain water, a group of people decided for WATER HARVESTING. They constructed a water reservoir measuring 49x27x25m to collect the rain water. If this water reservoirs is full of water then for how many days it will last for the colony?

Answer 1

water required per day=5400*60=324000 liters or 324 kl
capacity of tank=33075 kl of water
water will last=33075/324=102 days (approx.)