A water well has height h meters and diameter 21 m. The cost of plastering the well is ₹1,36,125 at the rate of ₹275/m?, then find the height of the well. (∏=22/7)A2.25 mB5.5 mC7.5 mD4.5 mAnswer: A. 2.25 m Read Explanation: .Read more in App