the length of a road roller is 2.1 M and its diameter is 1.4 m for levelling a ground five hundred rotation of a road roller where required how much area of a ground was level by the road roller find the cost of levelling at the rate of rupees 7 per square metre
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Answer:
4620sq.m, 32340
Step-by-step explanation:
l= 2.1m d= 1.4m r= 0.7 n= 500
area covered =2n pai =r×l
2×500×0.7×2.1
=4620sq.m
cost of travelling =4620×7
=323,40
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