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25 questions
The capacity of a cylindrical water tank is 539 litres .If its height is 1.4 m, find the radius of the base.
35cm
14cm
28cm
70cm
If the surface area of a sphere is 22176 sq. cm, find its radius.
42cm
24cm
35cm
28cm
If the height of a cone is three times the radius of the base and its volume is 512 π cm3 ,find the radius of its base.
6cm
8cm
12cm
14cm
If the volume of a hemisphere is 486 π cm3, its radius is.
9cm
7cm
3.5cm
10.5cm
A cylindrical water tank contains, 3,85,000 litres of water .If its height is 10 m, find its diameter.
70 cm
3.5m
7m
70m
A 60 cm high cylinder with 14 cm its diameter is cut vertically into two equal halves. What is the volume of a half part?
4620 cm3
4640 cm3
4560 cm3
4420 cm3
If the sum of the radius and the height of a right cylinder is 50 cm and the circumference of its base is 220 cm, find its total surface area .
11000 sq.cm
10000 sq.cm
55000 sq.cm
11 sq.m
If the radius of base and height of the cylinder are in the ratio of 5:7 and the volume is 550 cubic cm, find the radius of the base of the cylinder.
5cm
7cm
10cm
3.5cm
The ratio of the radius of base and the height of a cylinder is 7:8 .If the volume of the cylinder is 9,856 cm3 ,find the total surface area of the cylinder.
2640 cm2
2440 cm2
2460 cm2
2442cm2
The sum of the height and radius of the base of the cylinder is 34 cm .If the total surface area of the cylinder is 2,992 cm^2, find its volume.
12320cm3
12230cm3
13220cm3
13240cm3
50 circular plates, each of radius 7 cm and thickness 5 mm are placed one above the other to form a cylindrical shape. Find the volume of cylinder so formed.
3850 cm3
3460 cm3
3450 cm3
3650 cm3
How many cubic meters of earth must be dug out to construct a cylindrical well which is 25 m deep and the radius of the base is 3.5 m.
962.5m3
966.5cm3
465.40cm3
866.5cm3
If the perimeter of plain circular surface of a hemisphere is 176 cm, calculate TSA of hemisphere.
7392cm2
6362cm2
9234cm2
8424cm2
The external and internal radii of a hollow spherical metallic shell are 35 cm and 14 cm respectively. Calculate the volume of the metal contained by the shell.
168168 cubic cm
168268 cubic cm
166168 cubic cm
186186 cubic cm
A solid metallic sphere of radius is cut into two halves. Find the total surface area of the two hemispheres so formed.
6 π r2
4 π r2
3 π r2
2 π r2
How many lead balls each of radius 1 cm can be made from a solid sphere of diameter 12 cm ?
216
36
144
288
A spherical ball of radius 3 cm is melted and recast into three spherical balls .The radii of two of them are 1.5 cm and 2cm. Find the diameter of the third ball.
5 cm
1.75cm
3.5cm
2.5cm
A cylindrical tub of radius 16 cm contains water to a certain depth. When a spherical ball is dropped into the tube, the level of the water is raised by 9 cm. Find the radius of the ball.
12cm
10cm
8cm
6cm
A cylinder whose height is two third of its diameter, has the same volume as the sphere of radius 21 cm. Calculate the curved surface area of the cylinder.
3696 sq cm
3496 sq cm
3296 sq cm
3796 sq cm
The surface area of a ball is twice the area of curved surface of a cylinder. If the height and radius of the cylinder be 10.5 cm each, find the volume of the sphere .
4851cm3
4651cm3
4751cm3
4451cm3
Which is the surface area of a cylender
2πrh
πr(r+l)
2πrh+2πr2
πr(r+h)
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