Question : A conical tent of height 10 m and base diameter 48 m was erected by a company in a park. Find the curved surface area of the tent (in m²).

Option 1: $576 \pi$

Option 2: $1248 \pi$

Option 3: $1152 \pi$

Option 4: $624 \pi$

Question : A conical tent has to accommodate 25 persons. Each person must have 4 m² of space on the ground and 80 m³ of air to breathe. Find the height of the tent.

Option 1: 60 m

Option 2: 50 m

Option 3: 40 m

Option 4: 45 m

Question : If the volume of a sphere is $179 \frac{2}{3}$ m³, what is its surface area?

Option 1: 221 m²

Option 2: 154 m²

Option 3: 144 m²

Option 4: 151 m²

Question : The volume of a solid cylinder is 2002 cm³ and its height is 13 cm. What is the area (in cm²) of its base?
(Take $\pi=\frac{22}{7}$)

Option 1: 77

Option 2: 154

Option 3: 231

Option 4: 308

Question : The base of a pyramid is an equilateral triangle of side 10 m. If the height of the pyramid is $40 \sqrt{3}$ m, then the volume of the pyramid is:

Option 1: 1,000 m³

Option 2: 1,200 m³

Option 3: 9,00 m³

Option 4: 8,00 m³