Question : A hemispherical bowl has an internal radius of 6 cm. The internal surface area would be: (Take $\pi =3.14$)

Option 1: 225 cm²

Option 2: 400 cm²

Option 3: 289.75 cm²

Option 4: 226.08 cm²

Question : If a right circular cone of height 24 cm has the circumference of its base 42$\pi$ cm, then the volume of the cone is: (Use $\pi=\frac{22}{7}$)

Option 1: 15211 cm³

Option 2: 11088 cm³

Option 3: 12034 cm³

Option 4: 21011 cm³

Question : Find the volume of a solid sphere whose diameter is 42 cm. (Use $\pi=\frac{22}{7}$)

Option 1: 38807 cm³

Option 2: 38808 cm³

Option 3: 38806 cm³

Option 4: 38805 cm³

Question : The total surface area of a cylinder whose radius is 6 cm and height is 8 cm is: (Use $\pi=\frac{22}{7}$)

Option 1: 528 cm²

Option 2: 575 cm²

Option 3: 658 cm²

Option 4: 625 cm²

Question : The perimeter of a minor sector of a circle of radius 5 cm is 15.5 cm. Find the area of the minor sector (use $\pi=\frac{22}{7}$ ).

Option 1: 17.53 cm²

Option 2: 13.75 cm²

Option 3: 13.57 cm²

Option 4: 17.35 cm²