"A water tank built by a municipality of a town   to supply water to its 25000 inhabitants
Channel: Doubtnut
Date: 2020-06-28

"A water tank built by a municipality of a town
 
  to supply water to its 25000 inhabitants at 125 litres per day per person is
 
  40m long and 31.25m broad. The tank, when it is full, can supply water for
 
  two days to the inhabitants of the town. Find the dept of the tank."