The volume of a sphere is 38808 cm3 , find its diameter and the surface area.
5454 cm2
4455 cm2
5544 cm2
5455 cm2
A racing track is bounded by two concentric circles with circumferences 220m and 286m. Calculate the area of the racing track.
2656.5 m2
2600 m2
2656 m2
2665.5m2
Find the depth of a cylindrical tank of radius 28m, if its capacity is equal to that of a rectangular tank of size 28m x 16 m x 11m.
2.5 m
2 m
2.75 m
3 m
The internal and external diameters of a hollow hemi-spherical vessel are 21 cm and 28 cm respectively. Find internal curved surface area.
369cm2
963 cm2
693 cm2
369 cm2
The area of the base of a conical solid is 154 cm2 and its volume is 1232 cm3. Find curved surface area of the solid.
500 cm2
552 cm2
553 cm2
550 cm2
The square areas of two spheres are in the radius of 9 : 25. Then their volumes are in the ratio
81 : 625
729 : 15625
27 : 75
27 : 125
The curved surface area of a cone is 12320cm2.If the radius of its base is 56cm, find its height.
43 cm
32 cm
45 cm
42 cm
The circumference of the base of a 12m high conical tent is 66m. Find the volume of the air contained in it.
1386 m3
1286 m3
1368 m3
1268 m3
If the number of square centimetres on the surface of a sphere is equal to the number of cubic centimetres in its volume, what is the diameter of the sphere?
3
4
2
6
The surface area of a sphere is 2464 cm2 , find its volume.
11489.76 cm3
11498.67cm3
11894.67 cm3
11490.86 cm3