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 : 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

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 : What will the curved surface area of a cylinder with a radius of 10 cm and height of 20 cm? (use $\pi=3.14$)

Option 1: 1345 cm²

Option 2: 1453 cm²

Option 3: 1256 cm²

Option 4: 1234 cm²

Question : The slant height and the radius of a right circular cone are 11 cm and 6 cm, respectively. What is the curved surface area of the cone?

Option 1: $74 \pi\; {cm}^2$

Option 2: $60 \pi \;{cm}^2$

Option 3: $44 \pi\; {cm}^2$

Option 4: $66 \pi \;{cm}^2$