Question

9. A pit 5 m long and 3.5 m wide is dug to a certain depth. If the volume of earth taken out of it is 14 m cube
what is the depth of the pit ?
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Answer 1

R.E.F image

l=5m,w=3.5m

volume of pit =14m

3

volume =l×b×h

14=5×3.5×h

∴h=

5×3.5

14

=0.8m

∴ height of the pit =0.8m