find the cost of digging a cuboidal pit feet 8 metre long 6 metre broad and 3 metre deep at rupees 30 per metre square
Answers
Answered by
141
Given cuboid dimensions
Length = 8m
Breadth = 6m and
Height = 3m
Rate per m² = Rs30
Total cost = Total surface area × 30
⇒2(lb + bh + hl) ×30
⇒2[(8×6) + (6×3) + (3×8)] ×30
⇒2(48+18+ 24) ×30
⇒2(90)×30
⇒180×30
∴Rs5400 is the total cost to dig the pit
Length = 8m
Breadth = 6m and
Height = 3m
Rate per m² = Rs30
Total cost = Total surface area × 30
⇒2(lb + bh + hl) ×30
⇒2[(8×6) + (6×3) + (3×8)] ×30
⇒2(48+18+ 24) ×30
⇒2(90)×30
⇒180×30
∴Rs5400 is the total cost to dig the pit
valar:
but the answer is 4320
i think we are digging a hole so,it needs volume
but the question says Rs30 per m square not m cube
i think its his typing mistake right valar??
but... ok check it valar
but most probably it will be m square
it can be m cube (my thinking)
Answered by
114
Answer:Rs. 4320
Step-by-step explanation:
Here, l=8m, b=6m & h=3m
Volume of the cubiodal pit
=(lbh)
=(8*6*3) cubic meter
=144 cubic meter
Cost of digging 1 cubic meter =Rs. 30
Cost of digging 144 cubic meter =Rs. (144*30)=Rs. 4320
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