Volume and Surface Area Practice Question and Answer
8 Q: The ratio between the volume (cm3) of a cylinder and the curved surface area (cm2) is numerically 14: 1. If the height of the cylinder is 50 cm, what is the volume of the cylinder (cm3) ?
826 05f9a9e2035c9ba56e4d236d9
5f9a9e2035c9ba56e4d236d9- 161600false
- 292400false
- 3123200true
- 4184800false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "123200"
Q: The ratio of the radii of two wheels is 3: 4, then the ratio of their circumferences will be.
1406 05f97fe6cf6ce7f2367fe6e29
5f97fe6cf6ce7f2367fe6e29- 12 : 3false
- 24 : 3false
- 33 : 4true
- 43 : 5false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "3 : 4"
Q: If the area of a triangle is 616 square cm, then its perimeter will be-
845 05f97fb0cd433054b5c8adf3f
5f97fb0cd433054b5c8adf3f- 188 cmtrue
- 244 cmfalse
- 3132 cmfalse
- 4161 cmfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "88 cm "
Q: If the perimeter of a circular plot is equal to the perimeter of a square plot, what will be the ratio of their areas?
876 05f97f1d5d433054b5c8a7d4a
5f97f1d5d433054b5c8a7d4a- 112:11false
- 214:11true
- 36:11false
- 47:11false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "14:11"
Q: If each edge of a cube is reduced by 25 percent, find the ratio of the volume of the original cube and the resulting cube?
1225 05f892f0de6aa3e1d0bd22e80
5f892f0de6aa3e1d0bd22e80- 18:1false
- 227:64false
- 364:1true
- 464:27false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "64:1"
Q: The vertices of the 1 cm side are cut from each corner of a square with a side of 4.5 cm. Find the circumference and area of the octagon formed?
793 05f87f977e6aa3e1d0bcbcc73
5f87f977e6aa3e1d0bcbcc73- 1$$ {5\sqrt{2}}{\ cm};{18.25{\ cm^{2}}}$$false
- 2$$ {(5+4\sqrt{2})}{\ cm}; {18.25 \ cm^{2}}$$false
- 3$$ {(10+4\sqrt{2})}{\ cm}; {18.25 \ cm^{2}}$$true
- 416 cm and 16 sq.cmfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "$$ {(10+4\sqrt{2})}{\ cm}; {18.25 \ cm^{2}}$$"
Q: From a right cone of height h and with base radius r a cone has been cut of from the centre of the height. The volume of remaining frustum of the cone is.
920 05f8016fb0a69ab3becc7d418
5f8016fb0a69ab3becc7d418- 1$$ {1\over3}π{r^{2}}h$$false
- 2$$ {1\over24}π{r^{2}}h$$false
- 3$$ {7\over24}π{r^{2}}h$$true
- 4$$ {1\over8}π{r^{2}}h$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "$$ {7\over24}π{r^{2}}h$$"
Q: The perimeter of a square and an equilateral triangle is the same if the length of the diagonal of the square is $$ {12 \ sqrt {2}} $$ cm. If, what will be the area of the triangle?
1336 05f8043de88aba328edafaf6a
5f8043de88aba328edafaf6a- 1$$ {64\sqrt{3}}$$ sq.cmtrue
- 2$$ {32\sqrt{3}}$$ sq.cmfalse
- 3$$ {24\sqrt{3}}$$ sq.cmfalse
- 4$$ {28\sqrt{3}}$$ sq.cmfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice