Question

A field is 150m long and 80 m board. A tank 40 m long, 20 m board and 10 m deep is dug in field and the earth taken out of it, is speared evenly over the field. How much is the level of field raised?

Answer 1

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Answer 2

Answer:volume of field=volume of tank

Step-by-step explanation:

Volume of rectangular tank =l×b×h

=40×20×10

=8000m3

Volume of field=volume of tank

l×b×h=8000

150×80×h=8000

h=8000/1200

h=6.6(approx)

Therefore, the level of field is raised by 6.6m