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1
The edge of a cube of volume 512 is _______________
6cm
8cm
4cm
16cm
2
The inner and outer radii of a spherical shell are 5 cm and 14 cm respectively. Find the outer curved surface area.
none of these
3
Determine the volume of a spherical shell which has an inner radius of 7 cm and an outer radius of 10 cm.
2573.14 cu cm
2753.14 cu cm
2735.14 cu cm
2553.14 cu cm
4
Find the total surface area of a cone, if its slant height is 9 m and the radius of its base is 12 m.
692 sq m
592 sq m
792 sq m
682 sq m
5
Find the lateral surface area of the hemisphere having the radius 9 cm.
6
Determine the volume of a spherical shell which has an inner radius of 2 cm and an outer radius of 8 cm.
2121 cu cm
2112 cu cm
2012 cu cm
2022 cu cm
7
Find the surface area of the cuboid with length, breadth and height as 8cm, 5cm, and 4cm respectively.
184 sq cm
186 sq cm
200 sq cm
816 sq cm
8
The height of a cylinder is 14 cm and its curved surface is 264 sq. cm. The radius of its base is _____________
3 cm
4 cm
2.4 cm
12.4 cm
9
If the total surface area of the cube is 96 cm sq, its volume is equal to :
16cm cube
12cm cube
64cm cube
192cm cube
10
A cubical box is to be painted on all the side. Find the cost of painting when the rate of painting of 1sq cm. is Rs.7. The side of the cube is 21 cm.
Rs 20,000
Rs 18,000
Rs 18,522
Rs 19,302
11
Find the lateral surface area of the cube having side of 1.5 m
225
900
12
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
13
Find the surface area of the cube having edge as 12.5 cm.
937.5 sq cm
156.25 sq cm
93750 sq cm
15625 sq cm
14
A pond is to be constructed by digging out 12 m x 10 m x 8 m of earth. The soil out is to be used in filling up 3 smaller ponds of dimensions 10 m x 6 m x 4 m. If the remaining soil is used in covering a place of land 10 m x 8 m, what is the height of soil on the ground?
30 cm
3 m
20 cm
30 m
15
Find the radius of the sphere if surface area of the sphere is 4400 sq m.
16
If each edge of a cube is increased by 25%, then the percentage increase in its surface area is _________________
25.56%
48.75%
50%
56.25%
17
The surface area of a sphere is 1056 sq cm, its diameter is __________________ .
18
An umbrella of length 30cm fits into a box diagonally. If sum of sides of the box is 35cm, then find the total surface area of the box ___________________
325cm square
326cm square
327cm square
328cm square
19
External dimensions of a wooden cuboid are 30 cm X 25 cm X 20 cm . If the thickness of the wood is 2 cm all around , find the volume of the wood contained in the cuboid formed.
6264 cm3
4626 cm3
8236 cm3
5236 cm3
20
If the area of three sides of cuboidal block are in the ratio of 2 : 3 : 4 and its volume is 9000 cm cube, then the length of the shortest side :
10 cm
15 cm