Question

A rectangular field is 154 m long and 121 m broad. A well of 14 m length and 11 m breath is dug inside the field and mud taken out is spread evenly over the remaining part of the field to a thickness of 25 cm. Find the depth of the well.

Answer 1

the volume of mud taken out =volume of well.
volume of mud =*(154+0.25)(121+0.25)×0.25