Question

Volume and Surface Area 61 581US
1. Find the volume, curved surta
EXERCISE 20B
dinicnsions are:
vorme, curved surface area and total surface area of each of the cylinders whose
(1) radius of the base = 7 cm and height - 50 cm
(11) radius of the base = 5.6 m and height 1.25 m
(11) radius of the base = 14 dm and height = 15 m
2. A milk tank is in the form of a cylinder whose radius is 1.5 m and height is 10.5 m. Find the
* 1 quantity of milk in hitres that can be stored in the tank.
3. A wooden cylindrical pole is 7 m high and its base radius is 10 cm. Find its weiht if the
wood weighs 225 kg per cubic meure.
4. Find the height of the cylinder whose volume is 1.54 m and diameter of the base is 140 cm?
5//The volume of a circular iron rod of length 1 m is 3850 cm . Find its diameter.
6. VA closed cylindrical tank of diameter 14 m and height 5 m is made from a sheet of metal.
How much sheet of metal will be required?
7. che circumference of the base of a cylinder is 88 cm and its height is 60 cm. Find the
volume of the cylinder and its curved surface area.
8. The lateral surface area of a cylinder of length 14 m is 220 m². Find the volume of
the cylinder.
9/
The volume of a cylinder of height 8 cm is 1232 cm. Find its curved surface area
total surface area.
The radius and height of a cylinder are in the ratio 7:2. If the volume of th
8316 cm, find the total surface area of the cylinder.
base is
11. The curved surface area of a cylinder is 4400 cm" and the circumference of its
110 cm. Find the volume of the cylinder.
wo packs, a plastic can with a square
12. A particular brand of talcum powder is available in two packs, a plastic can
base of side 5 cm and of height 14 cm, or one with a circular base of radius
height 12 cm. Which of them has greater capacity and by how much?
e met
13. Find the cost of painting 15 cylindrical pillars of a building at 2.50 per se
of each pillar are 48 cm and 7 metres respectively.
Er is
rcular base of radius 3.5 cm and of
ull of water. If the total water is pow
find the height of water in the cylinds
14. A rectangular vessel 22 cm by 16 cm by 14 cm is full of water. If the to
nomny cylindrical vessel of radius 8 cm, find the height of wote​

Answer 1

Answer:

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