Volume and Surface Area Practice Question and Answer
6 Q: The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.
1380 05ffc32b923210f22f330340a
5ffc32b923210f22f330340a- 13 : 7false
- 27 : 3true
- 36 : 7false
- 47 : 6false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "7 : 3"
Q: A right circular cone of largest volume is cut out from a solid wooden hemisphere. The remaining material is what percentage of the volume of the original hemisphere?
1376 06051c634a01bc44789a9b503
6051c634a01bc44789a9b503- 150 %true
- 2$$ {33{1\over3}}{ \%}$$false
- 375 %false
- 4$$ {66{2\over3}}{ \%}$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "50 %"
Q: The areas of the three adjacent faces of a cuboid are 32 cm2, 24 cm2 and 48cm2. What is the volume of the cuboid?
1365 06007ece9a41f3f2fa419b494
6007ece9a41f3f2fa419b494- 1288 cm3false
- 2256 cm3false
- 3128 cm3false
- 4192 cm3true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "192 cm3"
Q: The radii of three concentric circles are in the ratio of 4 : 5 : 7. What is the ratio of the area between the two inner circles to that between the two outer circles?
1359 0609cd380e941dd6183d59933
609cd380e941dd6183d59933- 14 : 7false
- 23 : 8true
- 34 : 5false
- 45 : 9false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "3 : 8"
Q: What is the area of an equilateral triangle having altitude equal to $$5\sqrt{3}$$cm.
1315 05ef052c87cd71c794469687d
5ef052c87cd71c794469687d- 1$$25\sqrt{3}$$true
- 2$$45\sqrt{3}$$false
- 345false
- 440false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "$$25\sqrt{3}$$"
Q: What will be the area of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?
1235 05fa916c0ece37f51362def63
5fa916c0ece37f51362def63- 120 πfalse
- 2168 πfalse
- 380 πtrue
- 440 πfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice