Question : The total surface area of a right circular cylinder is 1848 cm². The ratio of its total surface area to the curved surface area is 3 : 1. The volume of the cylinder is: (Take $\pi=\frac{22}{7}$)

Option 1: 4312 cm³ 

Option 2: 3696 cm³ 

Option 3: 4002 cm³ 

Option 4: 4851 cm³ 

Question : What is the radius of a normal cylinder whose height is 21 cm and curved surface area is 1386 cm²?

Option 1: 10.5 cm

Option 2: 3.5 cm

Option 3: 7 cm

Option 4: 10 cm

Question : When the radius of a sphere is increased by 5 cm, its surface area increases by 704 cm². The diameter of the original sphere is _________. (Take $\pi=22 / 7$ )

Option 1: 8.2 cm

Option 2: 6.8 cm

Option 3: 5.2 cm

Option 4: 6.2 cm

Question : If the slant height of a cone is 29 cm and its height is 20 cm, find the ratio between the magnitudes of the total surface area and the volume.

Option 1: 5 : 14

Option 2: 7 : 15

Option 3: 3 : 7

Option 4: 3 : 14

Question : The radius of a hemisphere is twice that of a sphere. What is the ratio of the total surface area of the hemisphere and sphere?

Option 1: 3 : 1

Option 2: 12 : 1

Option 3: 4 : 1

Option 4: 6 : 1