Question : The radius of a circular wheel of a toy car is 56 mm. In how many revolutions can it cover a distance of 176 cm? (Use $\pi=\frac{22}{7}$)

Option 1: 6

Option 2: 3

Option 3: 5

Option 4: 4

Question : The curved surface area of a right circular cone is 44 cm². If the slant height of the cone is 7 cm, then find the radius of its base. [Use $\pi=\frac{22}{7}$ ]

Option 1: 2 cm

Option 2: 4 cm

Option 3: 3 cm

Option 4: 5 cm

Question : What is the height of a cylinder whose radius of base is 12 cm and volume is 19008 cm³? [Use $\pi=\frac{22}{7}$]

Option 1: 6 cm

Option 2: 24 cm

Option 3: 38 cm

Option 4: 42 cm

Question : A toy is in the shape of a cylinder surmounted by a hemisphere. The total height of the toy is 15 cm and the radius of the hemisphere is 6 cm. What is the volume of the toy?

Option 1: $496\pi$ cm³

Option 2: $476\pi$ cm³

Option 3: $458\pi$ cm³

Option 4: $468\pi$ cm³

Question : The area of a circle is 1386 cm². What is the radius of the circle? [Use $\pi=\frac{22}{7}$ ]

Option 1: 21 cm

Option 2: 7 cm

Option 3: 14 cm

Option 4: 18 cm

Question : The surface area of a sphere is 2464 cm². Find the radius of the sphere. [Use $\pi=\frac{22}{7}$ ]

Option 1: 14 cm

Option 2: 28 cm

Option 3: 42 cm

Option 4: 40 cm