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
A solid rectangular block of metal 49 cm by 44 cm by 18 cm is melted and formed into a solid sphere. Calculate the radius of the sphere.
21 cm
20 cm
19 cm
25 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
The circumference of a circular field is 440m. Find its radius.
60m
76m
75m
70m
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
Determine the ratio of the volume of a cube to that of a sphere which will exactly fit inside the cube.
11 : 21
1 : 2
21 : 11
10 : 16
The area of a circular plot is 9856 sq.m. Calculate the cost of fencing the plot at the rate of Rs. 6 per metre.
Rs. 2,112
Rs. 3,000
Rs. 2,101
Rs. 2,000
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 diameter of the base of a right circular cylinder is 28 cm and its height is 21 cm. Find its curved surface area.
1488 cm2
1248 cm2
3080 cm2
1848 cm2
A cylinder has a diameter of 20cm. The area of curved surface is 100cm2 (sq.cm) and height is 1.6 cm. Find the volume of the cylinder correct to one decimal place.
600cm2
400cm2
500cm2
500.1cm2
