4:06
Curved surface area of a right circular cylinder is 4.4 m2.If the radius of the base of the cylinder
CBSE Class 8-9 Kishan Swaroop Yadav
8:14
In a hot water heating system, there is a cylindrical pipe of length 28 m and diameter 5 cm. Find th
7:15
A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find the cost of painting the curved
4:36
It is required to make a closed cylindrical tank of height 1m and the base diameter of 140 cm from a
6:56
A solid cylinder has a total surface area of 462 cm2. Its curved surface area is one-third of itsTSA
13:12
The total surface area of a hollow cylinder which is open on both the sides is 4620 sq.cm and the ar
2:50
Find the ratio between the total surface area of a cylinder to its curved surface area, given that h
9:41
The total surface of a hollow metal cylinder, open at both ends of an external radius of 8cm and hei
11:11
A cylindrical vessel, without lid, has to be tin-coated on its both sides. If the radius of the base
3:32
The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find: (a) Inner curved surface area
13:25
Find the lateral surface area of a petrol storage tank is 4.2 m in diameter and 4.5 m high. How much
7:59
The students of Vidyalaya were asked to participate in a competition for making and decorating penho
7:47
The diameter of roller 1.5 m long is 84 cm.If it takes 100 revolutions to level a playground, find t
6:57
Twenty cylindrical pillars of the Parliament House are to be cleaned. If the diameter of each pillar
6:21
A soft drink is available in two packs (i) tin can with a rectang (ii) a plastic cylinder with circu
5:20
The pillars of a temple are cylindrically shaped. If each pillar has a circular base of radius 20 cm
8:16
The inner diameter of a cylindrical wooden pipe is 24 cm and its outer diameter is 28 cm. The length
5:55
If the lateral surface of a cylinder is 94.2 cm^2 and its height is 5 cm, find (i) radius (ii) volum
7:24
The capacity of a closed cylindrical vessel of height 1 m is 15.4 liters. How many square meters of
6:55
A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is
9:59
A hollow garden roller, 63 cm wide with a girth of 440 cm, is made of 4 cm thick iron. Find the volu
7:57
A solid cylinder has a total surface area of 231cm2. Its curved surface area is 3 of the total surfa
7:13
The cost of painting the total outside surface of a closed cylindrical oil tank at 50 paise per squa
6:52
The radii of two cylinders are in the ratio 2:3 and their heights are in the ratio 5:3. Calculate th
7:02
The ratio between the curved surface area and total surface area of a right circular cylinder is 1:2
4:34
The curved surface area of a cylinder is 1320 cm^2 and its base had diameter 21 cm. Find the height
7:54
The ratio between the radius of the base and the height of a cylinder is 2:3. Find the total surface
4:10
A rectangular sheet of paper, 44 cm x 20 cm, is rolled along its length of form cylinder. Find the v
6:17
The curved surface area of cylindrical pillar is 264 m^2 and its volume is 924 m^3. Find the diamete
4:38
Two circular cylinders of equal volumes have their heights in the ratio 1:2. Find the ratio of two r
The height of a right circular cylinder is 10.5 m. Three times the sum of the areas of its two circu
7:04
How many cubic meters of earth must be dug out to sink a well 21m deep and 6 m diameter? Find the
6:54
The trunk of a tree is cylindrical and its circumference is 176 cm. If the length of the tree is 3 m
9:37
A well with 14 m diameter is dug 8 m deep. The earth taken out of it has been evenly spread all arou
10:50
The difference between inside and outside surfaces of a cylindrical tube is 14 cm long is 88 sq.cm.
5:49
Water flows out through a circular pipe whose internal diameter is 2 cm, at the rate of 6 meters per
5:05
A cylindrical container with diameter of base 56 cm contains sufficient water to submerge a rectangu
9:58
A cylindrical tube, open at both ends, is made of metal. The internal diameter of the tube is 10.4 c
8:38
From a tap of inner radius 0.75 cm, water flows at the rate of 7 m per second. Find the volume in li
9:03
A cylindrical water tank of diameter 1.4 m and height 2.1 m is being fed by a pipe of diameter 3.5 c
6:53
A rectangular sheet of paper 30 cm × 18 cm can be transformed into the curved surface of a right cir
5:14
How many litres of water flow out of a pipe having an area of cross-section of 5 cm2 in one minute,
4:17
The sum of the radius of the base and height of a solid cylinder is 37 m. If the total surface area
Find the cost of sinking a tube well 280 m deep, having diameter 3 m at the rate of Rs 3.60 per cubi
8:05
Find the length of 13.2 kg of copper wire of diameter 4 mm, when 1 cubic cm of copper weighs 8.4 gm.
11:01
A well with 10 m inside diameter is dug 8.4 m deep. Earth taken out of it is spread all around it to
15:29
Surface area and volume: Minimise errors
