Surface area of a cylinder

Q. a cylinder of CSA 1250m² is formed from a rectangle find the diameter of rectangle if length is doubled its breadth

Q.

TSA of a solid right circular cylinder is 1540 cm². If height is 4 times of the base then find the height of cylinder.

Q. The radius of the base and the height of a cylinder are in the ratio 2 : 3. If its volume is 1617 cm³, find the total surface area of the cylinder.