Question

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.
O Rs. 57600
O Rs. 57000
Rs. 54000
Rs. 50000​

Answer 1

Answer:

Measurment of cuboid

l =8*100=800cm

b =500cm

h =200cm

Volume of cuboid =lbh

¦¦ ¦¦ ¦¦ =800*500*200

¦¦ ¦¦ ¦¦ =80000000cmcube

In metre cube =80000000/1000000

=80metre cube

Cost of filling =80*720=57600rs.

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