a field is 500m long and 30m broad. a tank is 30 m long and 20m broad and 12 deep is dug in field. the earth taken out is spread evenly over field.how much is the level of the field raised.
a field is 500m long and 30m broad. a tank is 30 m long and 20m broad and 12 deep is dug in field. the earth taken out is spread evenly over field.how much is the level of the field raised.
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7200
areas of field ×h=7200
500×300×h=7200
150000h=7200
h=7200/150000