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1
If the volume of a cubical box is 32.768 , what is the length of its one side?
3.2 m
4.3 m
2.3 m
6.5 m
2
The edge of a cube is 6cm. Find lateral surface area.
166 sq cm
144 sq cm
150 sq cm
148 sq cm
3
The inner and outer radii of the spherical shell are 0.2 cm and 1.4 cm respectively. Find the outer curved surface area of the shell.
none of these
4
If the curved surface area and the radius of a base of a cylinder are 8.8 cm sq and 0.7 cm respectively, then the height of cylinder is _____________
2 cm
10 cm
0.5 cm
1 cm
5
Find the surface area of sphere of radius 10.5 cm.
6
Find the total surface area of the hollowed out cylinder having inner and outer radius 3 cm and 5 cm respectively and height 7 cm.
7
The lateral surface of a cube of side 10cm is equal to ___________________
400cm sq
80cm sq
600cm sq
100cm sq
8
The inner and outer radii of the spherical shell are 3 cm and 7 cm respectively. Find the outer curved surface area of the spherical shell.
9
The thickness of the metallic tube is 1 cm and the inner diameter of the tube is 12 cm. Find the weight of 1 m long tube, if the density of the metal be .
31.86 kg
30.86 kg
13.86 kg
10
A patient in hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled with soup to height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients?
38.5
33.2
43.8
12.3
11
A spherical shell 5m thick has an outer radius of 7m . What is the volume of shell?
1404.80 cu m
1440.80 cu m
1430.80 cu m
1403.80 cu m
12
A hollow cylindrical tube open at both ends, is made of iron 2 cm thick. If the external diameter is 50 cm and the length of the tube is 140 cm, what is the volume of the iron used?
42240 cubic cm
42440 cubic cm
42480 cubic cm
40240 cubic cm
13
A soft drink is available in two packs:
(1) Plastic can with a rectangular base of length 5 cm and width 4 cm, having a height of 15 cm
(2) Plastic cylinder with circular base of diameter 7 cm and height 10 cm.
Which container has greater capacity and by how much?
Plastic can 65 cu cm
Plastic can 76 cu cm
Plastic can 85 cu cm
None of the above
14
The ratio of lateral surface area to total surface area of a cube is _________________
2:3
3:2
1:2
4:3
15
A solid cylindrical tank has total surface area of 462 sq cm. Its curved surface area is one third of its total surface area. Find the radius and the height of the cylinder.
Radius=8, Height=8/2
Radius=7, Height=7/2
Radius=8, Height=8/6
Radius=4, Height=8/2
16
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
17
A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm. Find its inner curved surface area. (in sq cm)
869
968
689
986
18
Edge of cube whose volume is 1/125 cu m is ____________________
1/15 m
1/5 m
1/25 m
125 m
19
Find the radius of the hemisphere if curved surface area of the hemisphere is 2562 sq cm.
20
The slant height and base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of white-washing its curved surface at the rate of Rs 210 per 100 .
1155
1120
1165
1136