"The rain which falls on a roof 18m long and   16.5m wide is allowed to be stored in a cylindrical
Channel: Doubtnut
Date: 2020-07-05

"The rain which falls on a roof 18m long and
 
  16.5m wide is allowed to be stored in a cylindrical tank 8m in diameter. If
 
  it rains 10cm on a day, what is the rise of water level in the tank due to
 
  it?"