x + 2y + 3z = 6
2x + 4y + z = 7
3x + 2y + 9z = 14
The sales (in Rs. ‘000) of a product of a company in two districts A and B are shown in the following table. Find the coefficient of variation of the sales and determine which district is consistent in sales.
Sales 10-12 13-15 16-18 17-19 19-21 21-23 23-25
A 24 50 90 60 30 15 7
B 15 59 85 70 25 10 8
(a) The cost of fuel for running a train is proportional to the square of the speed it generates in Km. per hour. It costs Rs. 750 per hour, at a speed of 60 km, per hour. Find the most economical speed if the fixed charges are Rs. 1,000 per hour.
Recently Asked Questions
- Nationalism and the treaty of Versailles. What were reasons that led to the ultimate failure of the Treaty of Versailles? What were the challenges facing the
- Which one of the following conditions can be effectively eliminated through portfolio diversification? A. a general price increase nationwide B. an
- Compute the price of a $1,000 par value, 6 percent (semi-annual payment) coupon bond with 29 years remaining until maturity assuming that the bond's yield to