20. An agricultural field is in the form of a rectangleof length 20 m and width 14 m. A pit 6 m long3 m wide and 2.5 m deep is dug in the cornerof the field and the earth taken out from the pitis spread uniformaly over the remaining area ofthe field. Find the extent to which the level of thefield has been raised.

20. An agricultural field is in the form of a rectangleof length 20 m

1.	20. An agricultural field is in the form of a rectangleof length 20 m and width 14 m. A pit 6 m long3 m wide and 2.5 m deep is dug in the cornerof the field and the earth taken out from the pitis spread uniformaly over the remaining area ofthe field. Find the extent to which the level of thefield has been raised.
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