a field is 70 M long and 40 m broad in one corner of the field of it which is 10 M long 8 M broad and 5 M deep has been dug out the earth taken out of it it is evenly spread over the remaining part of the field find the rise in the level of the field
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volume of earth that has been dug out= 10×8×5 cu. m =400 cu.m
area of the field= 70×40
area of field where the earth is spread out= (70×40)-(10×8)= 2720 sq. m
now height of the field which is covered with the earth taken out= 2720÷400= 6.8m
area of the field= 70×40
area of field where the earth is spread out= (70×40)-(10×8)= 2720 sq. m
now height of the field which is covered with the earth taken out= 2720÷400= 6.8m
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