Volume and Surface Area Questions Practice Question and Answer
8 Q: The ratio of Volume of two spheres A and B is 8 : 1. The Surface Area of Sphere B is 616 cm2. Find the radius of sphere A.
792 05feeeb346a1a496de8dda0da
5feeeb346a1a496de8dda0da- 114 cmtrue
- 216 cmfalse
- 310 cmfalse
- 412 cmfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "14 cm "
Q: The perimeter of an isosceles, right angled triangle is 2p unit. The area of the same triangle is
791 060b7166dcef13e72bbf9983c
60b7166dcef13e72bbf9983c- 1$$ {(3-2\sqrt{2})}{\ p^{2}} sq.unit $$true
- 2$$ {(2+\sqrt{2})}{\ p^{2}} sq.unit $$false
- 3$$ {(2-\sqrt{2})}{\ p^{2}} sq.unit $$false
- 4$$ {(3-\sqrt{2})}{\ p^{2}} sq.unit $$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "$$ {(3-2\sqrt{2})}{\ p^{2}} sq.unit $$"
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?
789 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: The figure below is an equilateral triangle with sides of length 6. What is the area of the triangle?
789 05ffc2e4d23210f22f3302d24
5ffc2e4d23210f22f3302d24- 1$$ {9\sqrt{3}:1}$$true
- 216false
- 318false
- 4$$ {12\sqrt{3}:1}$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "$$ {9\sqrt{3}:1}$$"
Q: The covered surface area of a cone of radius 8 cm and height 6 cm is double the covered surface area of a cylinder of radius 4 cm. Find the height of the cylinder?
783 05f2cfa82be9f31290fb86050
5f2cfa82be9f31290fb86050- 15 cmtrue
- 28 cmfalse
- 310 cmfalse
- 412 cmfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "5 cm"
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?
782 0619f56c802f30f77f96539bd
619f56c802f30f77f96539bd- 11 : 2false
- 23 : 4false
- 32 : 5false
- 44 : 5true
- 53 : 5false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "4 : 5"
Q: A circular park whose diameter is 210 m has a 5 m wide path running around it(on the outside). What is the area ( in m2) of the path?
781 05fbe70c9aa47db563875b7ae
5fbe70c9aa47db563875b7ae- 11020 πfalse
- 21075 πtrue
- 31050 πfalse
- 41100 πfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "1075 π"
Q: 50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is $$ {4 m^{3}}$$ , then the rise in the water level in the tank will be:
778 05ffc324723210f22f330326c
5ffc324723210f22f330326c- 120 cmfalse
- 250 cmfalse
- 335 cmfalse
- 425 cmtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice