1.

Find the cost of digging a cuboidal pit 8 m long, 6 m broad and 3 m deep at the rate of Rs. 30 per m3.

Answer»

Length of a cuboidal pit = 8 m, 

breadth = 6 m and depth = 3 m

Volume/Intemal space of the pit 

= 8m x 6m x 3m = 144 m3

Cost of digging 1 m3 space is Rs. 30

Cost of digging 144 m3 space 

= Rs. 144 x 30 = Rs. 4320



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