HARD
10th West Bengal Board
IMPORTANT
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The outer and inner radius of a hollow cylinder are 6.75 Cm and 5.25 Cm and the heights are 13 cm. By melting the cylinder a solid cylinder of height 6.5 cm is formed. Find the radius of the solid cylinder.

Important Questions on Right Circular Cylinder

HARD
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 11
The amount of metal in a hollow cylinder with height 14 decimeter and external diameter 5 decimeter is 42.24 cubic decimeter. Find the thickness of the cylinder.
HARD
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 11
The internal and external diameter of a hollow long right circular iron cylindrical pipe of height 4 metre are 3.5 cm and 4.2 cm. If the weight of one cubic decimetre of iron is 5 kg, find the weight of the pipe.
HARD
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 12
By melting a solid cylindrical copper rod 6.4 decimetre long and 3.5 cm radius a copper shut 2.8 decimetre long and 2.2 decimetre breadth is formed. Find the thickness of the shut?
HARD
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 13
The length, breadth, and height of a copper rectangular parallelepiped are 11 cm, 9 cm and 6 cm. By melting it how many number of coins of Thick and 3 cm Diameter can be formed.
MEDIUM
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 14A
If the height of a solid cylinder is 7 cm and volume is 28π cc, then the curved surface of the cylinder is
MEDIUM
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 14A
The diameter of solid circular cylinder is14 cm and its volume is 1155 cc. Then the height of the cylinder is 
MEDIUM
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 14A
If the ratio of the radius of two solid cylinders is 3:4 and the ratio of their heights is 2:3 then the ratio of the curved surface area is
MEDIUM
10th West Bengal Board
IMPORTANT
SCHOOL MATHEMATICS Class 10>Chapter 20 - Right Circular Cylinder>EXERCISE 2>Q 14A
The diameter of two solid cylinders are 8 units and 12 units and heights are 3(h+1) units, (h+3) units. If the volume of the cylinder are equal, then the value of h is