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A plot of land in the form of a recta...

A plot of land in the form of a rectangle has a dimension `240 m\ x\ 180 m` . A drainlet `10 m` wide is dug all around it (on the outside) and the earth dug out is evenly spread over the plot, increasing its surface level by `25\ c mdot` Find the depth of the drainlet.

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A plot of land in the form of a rectangle has a dimension 240m xx 180m . A drain 10m wide is dug all around it (on the outside) and the earth dug out is evenly spread over the plot, increasing its surface level by 25cm. Find the depth of the drain let.

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An agricultural field is in the form of a rectangle of length 20 m\ and width 14\ mdot A pit 6m\ long,\ 3m\ w i d e\ a n d\ 2. 5 m\ d e e p is dug in a corner of the field and the earth taken out of the pit is spread uniformly over the remaining area of the field. Find the extent to which the level of the field has been raised.

A rectangular field is 70m long and 60m broad. A well of dimensions 14 m\ xx\ 8m\ xx\ 6m is dug outside the field and the earth dug-out from this well is spread evenly on the field. How much will the earth level rise?

RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A CUBOID AND CUBE-All Questions
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