Question

The cost of fencing a square field at rupees 16 per meter is rupees 32000. Find the cost of ploughing the field at rupees 25 per 100 meter square

Answer 1

perimeter of sqaure 4a
4a*16=32000
a=500
therefore area of field a^2 = 2500
25 rs per 100 m2 so amount would be 25*25 =625