Find the cost of digging a cuboidal pit 7 m long, 5 m broad and 4 m deep at the rate of Rs. 20 per cu.metre
tell in metre plz fast
Answers
Answered by
0
Answer:
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
Step-by-step explanation:
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Answered by
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Step-by-step explanation:
Total surface area = l ×b×h
= 7×5×4
= 120m³
per cubic metre = 20rs
= 20×120
=1140rs
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