Question : The radius of a cylinder is 14 cm. If the height of the cylinder is four times of its radius, then what is the curved surface area of the cylinder?

Option 1: 5546 cm²

Option 2: 4928 cm²

Option 3: 4694 cm²

Option 4: 5214 cm²

Question : The radius of a right circular cylinder is 7 cm. Its height is thrice its radius. What is the curved surface area of the cylinder?

Option 1: 724 cm²

Option 2: 666 cm²

Option 3: 924 cm²

Option 4: 264 cm²

Question : The height and curved surface area of the cylinder are 15cm and 330 cm². Find the diameter of the cylinder.

Option 1: 2 cm

Option 2: 5 cm

Option 3: 7 cm

Option 4: 6 cm

Question : What is the area of the lateral surface of a right circular cylinder, If the circumference of the base is 22 cm and its height is four times its radius?

Option 1: 388 cm²

Option 2: 308 cm²

Option 3: 408 cm²

Option 4: 288 cm²

Question : Find the curved surface area of a cone whose radius of the base is 7 cm and slant height is 8 cm. [Use $\pi=\frac{22}{7}$]

Option 1: 132 cm²

Option 2: 198 cm²

Option 3: 154 cm²

Option 4: 176 cm²