Problem 1 :
The radius and height of a cylinder are in the ratio 5:7 and the volume is 550 cm³. Find its total surface area.
Problem 2 :
A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal. How much sheet of metal is required?
Problem 3 :
A swimming pool is 40 m in length, 20 m in breadth and 5 m in depth. Find the cost of cementing its four walls and floor at the rate of 10 per m².
Problem 4 :
Two cylinders of same volume have their radii in the ratio 1:6. Find the ratio of their heights.
Problem 5 :
The curved surface area of a cylindrical pillar is 264 m² and its volume is 924 m³. The ratio of its diameter to its height is.
a) 3:7 b) 7:3 c) 6:7 d) 7:6
Problem 6 :
A school provides milk to the students daily in a cylindrical glasses of diameter 7 cm. if the glass is filled with milk up to height of 12 cm, find how many liters of milk is needed to serve 1600 students.
Problem 7 :
If the radius of a right circular cylinder is decreased by 50% and its height is increased by 60%, its volume will be decreased by
a) 10% b) 60% c) 40% d) 20%
Problem 8 :
The ratio of radii of two cylinders is 1:2 and the heights are in the ratio 2:3. Find the ratio of their volumes.
Problem 9 :
If the capacity of a cylindrical tank is 1848 m³ and the diameter of its base is 14 m. find the depth of the tank.
1) 377.14 cm² 2) 440 m² 3) $14000. 4) 36:1 5) 7:3 |
6) 739.2 litres 7) 60% of decreased 8) 1 : 6 9) 12 m |
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM