Question : The amount of concrete required to build a concrete cylindrical pillar whose base has a perimeter of 8.8 m and a curved surface area of 17.6 m² is:
(Take $\pi =\frac{22}{7}$)

Option 1: $8.325\;\mathrm{m^3}$

Option 2: $9.725\;\mathrm{m^3}$

Option 3: $10.5\;\mathrm{m^3}$

Option 4: $12.32\;\mathrm{m^3}$

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 : What is the area of the curved surface of a right circular cone with a height of 8 m and a slant height of 10 m?

Option 1: $60\mathrm{~m}^2$

Option 2: $60\pi \mathrm{~m}^2$

Option 3: $40 \mathrm{~m}^2$

Option 4: $ 40 \pi \mathrm{~m}^2$

Question : If the curved surface area of a cylinder is $126\pi$ cm² and its height is 14 cm, what is the volume of the cylinder?

Option 1: $283 \frac{1}{2} \pi\ \mathrm{cm}^3$

Option 2: $137\frac{1}{2} \pi\ \mathrm{cm}^3$

Option 3: $128\frac{1}{2} \pi\ \mathrm{cm}^3$

Option 4: $125\frac{1}{2} \pi\ \mathrm{cm}^3$

Question : The curved surface area and the volume of a cylindrical object are 88 cm² and 132 cm³, respectively. The height (in cm) of the cylindrical object is: (Take $\pi=\frac{22}{7}$ )

Option 1: $4 \frac{2}{3}$

Option 2: $4$

Option 3: $6$

Option 4: $3 \frac{2}{3}$

Question : The volume of a cylinder is 4312 cm³. Its curved surface area is one-third of its total surface area. Its curved surface area (in cm²) is:
(Take $\pi=\frac{22}{7}$ )

Option 1: 572 cm²

Option 2: 528 cm²

Option 3: 660 cm²

Option 4: 616 cm²