Question

A Pit 5 metre long and 3.5 M wide is Dug to certain depth. if volume of earth taken out of it is 14 M cube what is the depth of pit?

Answer 1

Given:if lenght is 5m and wide is3.5m vol. is 14^3
Sol. Vol.=14^3
l×b×h=14^3
5×3.5×h=14^3
17.5×h=14^3
h=14^3÷17.5
h=156.8