Question

4. Find the cost of digging a cuboidal pit 8 m long, 6 m broad and 3 m deep at the rate of
30 per m?
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Answer 1

Answer:

Volume of cuboidal pit =lbh

=8×6×3 m^3

=144m^3

Cost of digging cuboidal pit=₹30×144

=₹4320

Answer 2

|Answer⬇️|

l=8 m, b=6 m, h=3 m

Volume =l×b×h=(8×6×2)m³ =144m³

Cost of digging per m³ volume =Rs.30

Cost of digging per 144m³ volume =Rs.144×30

= Rs. 4320