Lateral Surface Area of Cylinder
Trending Questions
- ₹ 28, 600
- ₹ 26, 800
- ₹ 24, 600
- ₹ 26, 400
The diameter of a road roller is 60 cm and it is 140 cm long. It levelled an area of 79, 200 cm2. How many turns did the road roller take to level the said area?
- 4
- 5
- 3
- 2
A metallic prism of height 35 cm has a base as a right angled triangle. The triangle has a base length of 24cm and altitiude 10cm. It is melted and drawn into a cylindrical wire of radius 0.35 cm. What will be the length of wire drawn in metres?
139.1 m
209.1 m
109.099 m
91.11 m
A log of wood is cylindrical in shape.The radius and height of the log is 1 cm and 6 cm respectively. What area needs to be covered if the log has to be painted completely ?
48 cm2
44 cm2
52 cm2
54 cm2
[Assume π=227]
If the ratio of radii of two cylinders having the same height is 3 :4. The ratio of their curved surface area is
3 : 4
6 : 8
9 :16
16 : 25
A solid cylindrical party popper having radius 7 cm and length 20 cm needs to be gift wrapped by a paper sheet. What is the area of sheet required to cover it completely ?
1198 cm2
1188 cm2
1248 cm2
1148 cm2
There is a hollow jar of length 28 cm with lid removed from the top and bottom. The radius of this cylindrical hollow jar is 8 cm. If we have to cover the outer surface with paper, then the area of paper that is required will be equal to:
1518 cm2
1408 cm2
1498 cm2
1428 cm2
The inner diameter of a well is 2 m and it is 35 m deep. What would be the cost of cementing its inner wall at Rs. 500 per square meter ?
Rs. 1, 00, 000
Rs. 90, 000
Rs. 1, 10, 000
Rs. 1, 05, 000
A rectangular sheet of paper 40 cm×44 cm is rolled to form a hollow cylinder of height 40 cm. Find the diameter of the cylinder.
7 cm
10 cm
14 cm
15 cm