A toy in the shape of a square pyramid has base edge 25 centimeters and slant height 8 centimeters. Then its lateral surface area is
500 sq.cm
400 sq. cm
450 sq.cm
600 sq. cm
The curved surface of a sphere is 1386 cm2. Its volume is
2772 cm3
4158 cm3
4851 cm3
5544 cm3
The diagram shows a square - based pyramid with base lengths 10 cm and height 12 cm. What is the surface area of the pyramid ?
260 cm2
340 cm2
360 cm2
400 cm2
A pyramid has a square base of side 4 cm and a height of 9 cm. Then its volume is
48 cm3
52 cm3
27 cm3
81 cm3
The ratio of total surface area to lateral surface area of a cylinder whose radius is 80 cm and height is 20 cm is
2 : 1
3 : 1
4 : 1
5 : 1
If the radii of two spheres are in ratio 1: 2. then ratio of their surface areas will be
1 : 2
1 : 4
1 : 8
1 : 16
The material of a cone is converted into the shape of a cylinder of equal radius. If the height of the cylinder is 5 cm, the height of cone is
10 cm
15 cm
18 cm
20 cm
The diagram shows a square - based pyramid with base lengths 6 cm and height 8 c.m. What is the volume of the pyramid ?
64 cm2
96 cm3
144 cm3
288 cm3
The volume of a square pyramid of base edge 12 centimetres and slant height 17 centimetres is
700 cm3
724 cm3
732 cm3
763 cm3
A cylindrical tower is 5 m in diameter and 14 m high. The cost of white washing its curved surface at 50 paisa per m2 is
Rs. 90
Rs.97
Rs.100
Rs.110
