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1
The length and the height of a cuboidal box are 10 cm and 15 cm respectively. If its lateral surface area is 1200 , then its breadth is equal to ____________
18cm
45cm
10cm
30cm
2
The length, breadth and height of a cuboidal tank are 1.2 m, 1.5 m and 1 m respectively. The lateral surface area of the tank is equal to _______________
9
5.4
6
6.6
3
The total surface area of a cube of side 1.1 m is ___________________
1.21
7.26
13.2
4.84
4
The surface area of sphere of diameter 21 cm is ________________ .
5
The edge of a cube is 6cm. Find lateral surface area.
166 sq cm
144 sq cm
150 sq cm
148 sq cm
The radius of a cone is 7 cm and area of curved surface is 176 sq cm. Find the slant height.
6 cm
7 cm
8 cm
5 cm
7
The inner and outer radius of a spherical shell are 2 cm and 5 cm. Find the outer curved surface area of the spherical shell.
8
Find the lateral surface area of the hollow cylinder if inner and outer radii are 2 cm, 3 cm respectively and height is 6 cm.
The diameter of a roller 150 cm long is 74 cm. If it takes 300 complete revolutions to level a playground, determine the cost of leveling it at the rate of 25 paise per square meter .
500
261.64
346.24
300
10
If the breadth, height and total surface area of a cuboid are 4 cm , 4 cm and 80 cm sq respectively, then the length of the cuboid is equal to _________________
3cm
7cm
1.5cm
6cm
11
Find the lateral surface area of the hollow cylinder if inner and outer radii are 2 cm, 4 cm respectively and height is 6 cm.
12
Find the lateral surface area of the hollow cylinder if inner and outer radii are 2 cm, 3 cm respectively and height is 2.1 cm.
13
Parveen wanted to make a temporary shelter for his car, by making a box-like structure with tarpaulin that covers all the four sides and the top of the car (with the front face as a flap which can be rolled up) assuming that the stitching margins are very small , and therefore negligible. How much tarpaulin would be required to make the shelter of height 2.5m, with base dimensions 4m X 3m?
47 sq m
48 sq m
49 sq m
50 sq m
14
The dimensions of a class room are 8.5m X 6.5m X 5m. It has two doors each measuring 2.5m X 1m and two windows each measuring 1.5m X 1m. Find the cost of painting the dour walls and the ceiling at the rate of Rs.10 per sq m.
Rs.1972.50
Rs.1973.50
Rs.1872.50
Rs.1962.50
15
A model house is made by sticking a triangular prism on top of a rectangular block, as shown in the following diagram. Find the volume of the model house.
96
98
56
69
16
The total surface area of a hollow cylinder which is open from both sides is 4620 sq cm, area of the base ring is 115.5 sq cm and height 7 cm. Find the thickness of the cylinder.
none of these
17
The inner radius and thickness of a spherical shell is 13 cm and 3.15 cm. Find the outer surface area of the shell.
None of these
18
Find the lateral curved surface area of a cylindrical petrol tank, that is 4.2 m in diameter and 4.5 m high. How much steel was actually used if 1/12 of steel actually used was wasted in making the closed tank? (in sq meter)
56.4 & 76.5
59.4 & 95.04
34.07 & 78.65
78.66 & 97.88
19
The percentage increase in the surface area of a cube when each side is doubled is
25%
50%
150%
300%
20
The total surface area of a hollow cylinder which is open from both sides is 5024 sq cm, area of the base ring is 2452 sq cm and height 7 cm. Find the thickness of the cylinder.