9th Class
Mathematics
Surface Areas and Volumes
Question Bank
Surface Areas and Volume
question_answer
A storage tank consists of a circular a cylinder with a hemisphere adjoined on either end. If the external diameter of the cylinder be 2.8 m and the cost of painting it on the outside at the rate of Rs. 20 per \[{{m}^{2}}\] is Rs. 765.60, then find the height of the circular cylinder.