"A cistern of   capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its   wall
Channel: Doubtnut
Date: 2020-07-05

"A cistern of
 
  capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its
 
  walls are 5 cm thick. The thickness of the bottom is
 (a) 90 cmÂ Â Â Â Â Â (b) 1 dmÂ Â Â Â Â (c) 1 mÂ Â Â Â Â Â (d) 1.1 m"