a road roller is 210 m long. its diameter is 63 cm. if it takes 480 complete revolutions to levle the road once, then find the cost of levelling the road at RS.50 per 100 m
Share
a road roller is 210 m long. its diameter is 63 cm. if it takes 480 complete revolutions to levle the road once, then find the cost of levelling the road at RS.50 per 100 m
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
d=63cm= 0.63m
r=0.63/2m
Lateral surface area of cylinder=2|| r h
(2x22x0.63x210)/7x2=4158m^2
Cost for 100m^2 area. =₹50
Total cost for levelling the road=4158x50/100=₹ 2079