Question : The area of the base of a solid cone is 616 cm². If the height of the cone is 15 cm, then what is the volume of this cone?

Option 1: 2940 cm³

Option 2: 3440 cm³

Option 3: 3190 cm³

Option 4: 3080 cm³

Question : The height of a cone is 12 cm and the radius of its base is 14 cm. What is the volume of the cone?

Option 1: 2464 cm³

Option 2: 2692 cm³

Option 3: 2248 cm³

Option 4: 2872 cm³

Question : What is the volume of a cone whose base diameter is 12 cm and the height is 21.7 cm?

Option 1: 626.35 cm³

Option 2: 548.67 cm³

Option 3: 818.07 cm³

Option 4: 334.59 cm³

Question : The curved surface area is thrice as big as the base area of a cone. If the diameter of the cone is 1 cm. Then what is the total surface area (in cm²) of the cone?

Option 1: $\pi$

Option 2: $3\pi $

Option 3: $2\pi$

Option 4: $4\pi $

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