45. A cuboidal pit is 8 m long, 500cm broad, 200 cm deep. Find the cost filling the pit with sand if it costs Rs. 720 per cu. m. *
Rs. 57600
Rs. 57000
Rs. 54000
Rs. 50000
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Answer:
LENGTH=<8M=CHANGE INTO CM=8×100=800cM
BREADTH=500 CM
HEIGHT=200CM
volume of cuboid=l×b×h
=800cm×500cm×200cm
=80,000,000cm³
cost of filling the pit 1m³=rs 720
cost filling the pit= 80000000×720=rs57,600,000,000
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