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10 questions
If radius of a cylinder is 4 cm and height is 10 cm then total surface area of a cylinder is
440 sq cm
352 sq cm
400 sq cm
412 sq cm
The curved surface area of a right circular cylinder of height 14 cm is 88 sqcm. The diameter of the base is
2 cm
3 cm
4 cm
6 cm
The diameter of the base of a cone is 10.5cm, and its slant height is 10 cm. The curved surface area is
150 sqcm
165 sq cm
177 sq cm
180 sq cm
The surface area of a sphere of radius 14 cm is
1386 sqcm
1400 sqcm
2464 sqcm
2000 sqcm
The surface area of cuboid shaped box having length=80cm, breadth=40cm and height=20cm is
11200sqcm
13000sqcm
13400sqcm
12000sqcm
A well with 10m inside diameter is dug 14m deep. Earth taken out of it is spread all around it to make an embankment of height 14/3 m. Find the width of the embankment.
4 m
4.3m
6m
5m
Two right circular cones of equal curved surface areas have slant heights in the ratio of 3:5. Find the ratio of their radii.
3:5
5:3
4:5
4:1
If the radius of a sphere is doubled, then what is the ratio of their surface area?
2:1
1:4
4:1
1:2
If the perimeter of one of the faces of a cube is 40cm, then its volume is
6000 cubecm
1600 cubecm
1000 cubecm
600 cubecm
The total surface area of a cube is 96 sqcm. The volume of the cube is
8 cubecm
512 cubecm
64cubecm
27 cubecm
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