The diameter of the moon is approximately one fourth of the diameter of the earth .Find the ratio of their surface
areas.
1:16
2:13
2:15
1:15
A cuboidal water tank is 6m long,5m wide and 4.5m deep.How many litres of water can it hold?
1,24,000 litres
1,32,000 litres
1,35,000 litres
1,40,000litres
The total surface area of a cube whose volume is 1000cu.cm is
100cm2
300cm2
400cm2
600cm2
The total surface area of a hemisphere of radius 10cm is
512cm2
564cm2
628cm2
630cm2
What is the base area of a cone with radius 7cm and height 52 cm
164.73 cm2
153.86 cm2
174.73 cm2
142.99 cm2
Find the ratio between the total surface area of a cylinder to its curved surface area,given that its height and radius are 7.5cm and 3.5cm
21:15
22:15
20:22
7.5:3.5
The lateral surface area of a cuboid of length 80cm,breadth 40cm and height 20 cm is
4000sq.cm
4200sq.cm
4500sq.cm
4800sq.cm
The diameters of two cones are equal.If their slant heights are in the ratio 5:4,find the ratio of their curved surfaces.
2:3
5:4
4:3
5:3
The volume of a sphere of radius 7cm is
1632 cm3
1556.43 cm3
1518.23 cm3
1437.33 cm3
The diameter of a right circular cone is 8cm and its volume is 48π cu.cm.What is it's height?
2 cm
4 cm
5 cm
9 cm