Find the cost of digging a cuboidal pit 5m long,8m broad and 4m deep at the rate of Rs.40 per m³.
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Step-by-step explanation:
l=8 m, b=6 m, h=3 m
Volume =l×b×h=(8×6×2)m
3
=144m
3
Cost of digging per m
3
volume =Rs.30
Cost of digging per 144m
3
volume =Rs.144×30
= Rs. 4320
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