Question

the cost of levelling of a circular ground at the rate of rs.50 per sq.m is rs.7700. what will be the cost of fencing this ground with an iron wire which costs rs.70 per m, if the coil has to be rotated 4 times around the ground?

Answer 1

The cost of levelling a square field at rs.8 per sq.m is rs.392. ... be the cost of fencing the same field at rs.10 per metre.