Question : The radius of a hemisphere is 5 cm. Find the volume.

Option 1: 330.4 cm³

Option 2: 117.9 cm³

Option 3: 150.6 cm³

Option 4: 261.9 cm³

Question : The side of a square is equal to 40% of the radius of a sphere. If the volume of the sphere is $\frac{500 \pi}{3} \mathrm{~m}^3$, then what is the area of the square?

Option 1: 2 m²

Option 2: 1 m²

Option 3: 9 m²

Option 4: 4 m²

Question : The curved surface area of a cylinder, whose height is 10 cm, is 1320 cm². What is the volume of this cylinder? [Use $\pi$ $\left.=\frac{22}{7}\right]$

Option 1: 1388 m³

Option 2: 0.001368 m³

Option 3: 0.1386 m³

Option 4: 0.01386 m³

Question : If the area of the non-spherical portion of a solid hemisphere is 1,560 m², then the total surface area of the hemisphere is:

Option 1: 6,240 m²

Option 2: 4,680 m²

Option 3: 5,140 m²

Option 4: 3,120 m²

Question : The breadth of a rectangle is $\frac{4}{5}$th of the radius of a circle. The radius of the circle is $\frac{1}{5}$ of the side of a square, whose area is 625 cm². What is the area of the rectangle if the length of the rectangle is 20 cm?

Option 1: 150 cm²

Option 2: 600 cm²

Option 3: 100 cm²

Option 4: 80 cm²