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1
A metal cube of edge 12 m is melted and formed into three smaller cubes. If the edges of the two smaller cubes are 6 cm and 8 cm, find the edge of the third smaller cube.
12 cm
14 cm
8 cm
10 cm
2
The area of the curved surface of a cone is 60 . If the slant height of the cone be 8 cm, find the radius of the base.
7.5
6.5
7.3
7.2
3
If the volume and the radius of a cylinder are 41.58 cm cube and 2.1 cm respectively, then the height of the cylinder is :
1.5cm
3cm
9cm
1.732cm
4
The surface area of a sphere of diameter 14 cm is _______________.
5
The volume of a cubical box is 343 cc. Its lateral surface area is equal to _______________
1372 sqcm
56 sqcm
196 sqcm
294 sqcm
6
Find the lateral surface area of the hollow cylinder if inner and outer radii are 3 cm, 4 cm respectively and height is 14 cm.
7
The volume of a cube of edge 6 m is ___________________
144m cube
36m cube
18m cube
216m cube
8
How many cubes of side 2 cm can be packed in a cubical box with inner side equal to 4 cm ?
9
If the lateral surface area of a cube is 64 cm sq, its total surface area is equal to :
16cm sq
64cm sq
96cm sq
84cm sq
10
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
11
Find the surface area of a juice can with r= 5 cm and h = 16 cm.
550 sq cm
450 sq cm
660 sq cm
770 sq cm
12
Find the volume of the following triangular prism:
13
The surface area of a chalk box whose length breadth and height are 10 cm, 6 cm and 3 cm respectively is __________________.
117
275
216
621
14
The surface area of a sphere is 5544 sq cm, its diameter is _________________.
41 cm
43 cm
42 cm
44 cm
15
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%
16
A plastic pipe 30 cm long has exterior diameter equal to 36 cm. If the thickness of the pipe is 1 cm, Find the whole surface area of the pipe.
6822 sq cm
6808 sq cm
6820 sq cm
6802 sq cm
17
Find radius of the hemisphere if total surface area of the hemisphere is 5544 sq cm.
18
Find the total surface area if the lateral surface area of the cube is 484 sq m.
66 sq m
121 sq m
726 sq m
2904 sq m
19
A covered wooden box has the inner measures as 115 cm, 75 cm and 35 cm and the thickness of wood is 2.5 cm. Find the volume of the wood.
80000 cu. cm
82125 cu. cm
84000 cu. cm
85000 cu cm
20
20 cylindrical pillars of a building are to be cleaned. If the diameter of each pillar is 0.5 m and height is 4 m. What will be the cost of cleaning them at the rate of Rs. 2.50 per sq m.?
314.28
234.77
425.12
653.44