Question

Marks: 1 the cost of cultivating a square field at the rate of rs.135 per hectare is rs.1215. the cost of putting a fence around it at a rate of 75paise per metre would be:

Answer 1

area of field=1215/135=9 hectre
area of square=
${a}^{2} = 9$
there for side a=3
so perimeter/fencing is =4*3=12
therefore 12*0.75=9₹