A well of diameter 3 m is dug 14 m deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of the embankment.

A well of diameter 2 m is dug 14 m deep. The earth taken out of it is spread evenly all around it to a width of 5 m do form an embankment. Find the height of the embankment.

A well with 10 m inside diameter is dug 14 m deep. Earth taken out of its is spread all around to a width of 5 m to form an embankment. Find the height of the embankment.

A well with 12 m inside diameter is dug 14 m deep. Earth taken out of its spread all around to a width of 5 m to form of an embankiment. Find the height of embankment.

A 20 m deep well with diameter 7 m is dug and the earth from digging is evenly spread out to form platform of 22 m by 14 m. Find the height of the platform.

Earth is dug out to a depth of 15 m from a circular plot of land of radius 7 m. The earth is then spread out evenly on an adjacent rectangular plot of dimension 16" m" xx 7" m" . Find the height of the earth on the rectangular plot.

A rectangular park is to be designed whose breadth is 3 m less than its length. Its area is to be 4 square metres more than the area of a park that has already been made in the shape of an isosceles triangle with its base as the breadth of the rectangular park and of altitude 12 m. Find its length and breadth.

The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find its inner curved surface area.

A plot of land is 240 m long and 180 m broad. A trench 10 m wide is dug all around if and the earth dug out is spread over the plot, consisting level of the plot by 25 cm. find the depth of the brench.

A field is in the form of a rectangle of length 18 m and width 15 m. A pit, 7.5 m long, 6 m broad and 0.8 m deep, is dug in a corner of the field and the earth taken out is spread over the remaining area of the field. Find out the extent to which the level of the field has been raised.