Hollow Right Circular Cylinder

Author: Bidyut Guha Thakurta & Amitava Mitra
10th West Bengal Board
IMPORTANT

Important Questions on Hollow Right Circular Cylinder

HARD
IMPORTANT

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
IMPORTANT

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
IMPORTANT

Two right circular beakers of same diameter and heights 8.5 cm and 9.5 cm contain dilute acid. That acid is poured into a large beaker of diameter 10.5 cm and then the height will be 8 cm. Find the diameter of the first two beakers.

HARD
IMPORTANT

The whole inner surface area of a right circular cylindrical pot with one end open is 1474 sq. cm. If the inner diameter of the pot is 14 cm, find how much litres of water will it contain?

HARD
IMPORTANT

If the thickness of glass of a tube light 105 cm long and external radius 11 cm is 0.2 cm, find how much cubic centimetre of glass required to make 5 tube lights?

MEDIUM
IMPORTANT

A well, 14 m Deep is to be excavated in such a way so that the internal radius of the well becomes 2 m After completing the brickwork of 5 dm Thick. How much cubic meter of brickwork has to be done in this process?

MEDIUM
IMPORTANT

A cylindrical water drum with a lid has a diameter 6.3 Decimeter and height 9.1 Decimeter. Find the cost of painting the total outside area of the drum if the cost per square decimeter is Rs0.60.

HARD
IMPORTANT

The curved surface area of a right circular cylinder is 264 sq. m and volume is 924 c.metre. Find the diameter and height of the cylinder.

MEDIUM
IMPORTANT

The height of a right circular cylinder is equal to its diameter and its radius is a unit. If the area of a circle is equal to the curved surface of the cylinder, what is the radius of the circle.

MEDIUM
IMPORTANT

The numerical value of the volume and whole surface area of a solid right circular cylinder are equal. If its height is h and radius r then express h in terms of r.

HARD
IMPORTANT

The curved surface of a right circular cylinder is 440 sq. cm and volume is 1540 cc. What is the height of the cylinder?