Q46. The cost of fencing a circular field at the rate of Rs.25 per metre is Rs.5500. The field is to be ploughed at the rate of 50 paise per m2. Find the cost of ploughing the field. Chapter 16 : Area of Circle,Sector and Segment (RS Agarwal 2019) (Solutions of Exercise 16B) Rani Sati Classes Class 10 Maths By Mukesh Agarwal