Question

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

Answer 1

hey friend your answer is

154 x 121

18634m^2

14 x 11

154m^2

18634-154

18480m^2

18480 x 25/100

4620m^2

4620/154

30m

Answer 2

Volume of well=Volume of mud spreaded over the ground on the remaining land

Area of rectangular field=154x121=18634m²

Area of well=14x11=154m²

Area of remaining field=18634-154=18480m²

Volume of well=Volume of mud spreaded over the ground on the remaining land

lbh=lbh

154xh=18480m²x25m

h=462000/154

h=3000m

Therefore the depth of the well (h)=3000m