Volume and Surface Area Questions Practice Question and Answer
8 Q: One side of the rectangular ground is 8m and its diagonal is 17m. Find the area of the ground?
1395 05ee9a728bc81cb2528ec0497
5ee9a728bc81cb2528ec0497- 1150 m²false
- 2140 m²false
- 3130 m²false
- 4120 m²true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "120 m²"
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.
1391 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 heights of a cone, cylinder and hemisphere are equal. If their radii are in the ratio 2:3:1, then the ratio of their volumes is:
1389 05f59cf9bb772fe2f8b2230a0
5f59cf9bb772fe2f8b2230a0- 12:9:2false
- 24:9:1false
- 34: 27:2true
- 42 : 3: 1false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "4: 27:2"
Q: The height of a square base right prism is 15 cm. If the total surface area of the prism is 608 cm2 , then what will be the volume of prism?
1376 05f2e3eca79b9e641a7646849
5f2e3eca79b9e641a7646849- 1950 cm3false
- 2970 cm3false
- 3960 cm3true
- 4940 cm3false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "960 cm3"
Q:Directions: Bar graph given below shows pens sold by a retailor on five different days. Study the data carefully and answer the following questions.
Sum of volume of cylinder (S) and volume off cone (C) is 2190𝝅 cm² & height of both cylinder and cone is same i.e, 10 cm. If radius of cone is 15 cm then find the ratio of radius of S to radius of C?
1365 0619f56c802f30f77f96539bd
619f56c802f30f77f96539bd- 11 : 2false
- 23 : 4false
- 32 : 5false
- 44 : 5true
- 53 : 5false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "4 : 5"
Q: A spherical ball of lead 3 cm in diameter is melted and recast into three spherical balls The diameter of two of these are 1.5 cm and 2 cm respectively. The diameter of the third ball is
1362 060113124af82aa3010a223e5
60113124af82aa3010a223e5- 11.4 cmfalse
- 21.8 cmfalse
- 32.1 cmfalse
- 42.5 cmtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "2.5 cm"
Q: What is the total CSA of cone whose radius is 3 cm and height is 4 cm?
1354 05e9d2b8b772f97276f50ca91
5e9d2b8b772f97276f50ca91- 1$$ { 24 π cm^2}$$true
- 2$$ { 25 π cm^2}$$false
- 3$$ { 28 π cm^2}$$false
- 4$$ { 20 π cm^2}$$false
- 5None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "$$ { 24 π cm^2}$$"
Q: If the curved surface area of a right circular cone is 10010 sq cm and its slant height is 91 cm, find its total surface area.
1352 05feee2ae1f464d740159ed76
5feee2ae1f464d740159ed76- 127720 sq cmfalse
- 24620 sq cmfalse
- 36930 sq cmfalse
- 413860 sq cmtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice