Question : What will be the curved surface area of a cylinder having a radius of 20 cm and a height of 34 cm?(use $\pi$ = 3.14)

Option 1: 3245.7 cm²

Option 2: 4328.98 cm²

Option 3: 4270.4 cm²

Option 4: 4320.6 cm²

Question : Find the curved surface area of a cone of radius 12 cm and slant height 14 cm. (Use $\pi$ = 3.14)

Option 1: 4325.5 cm²

Option 2: 527.52 cm²

Option 3: 5436.6 cm²

Option 4: 501.54 cm²

Question : What will be the curved surface area of a cone of radius 5 cm and a slant height of 30 cm? (Use $\pi=3.14$)

Option 1: 234 m²

Option 2: 715 m²

Option 3: 543 m²

Option 4: 471 cm²

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