AP 8th Maths Mock Test 2021 for Chapter – 14 : “Surface Areas and Volumes” Online Practice Test

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1. The edge of a cube is 4 cm, then T.S.A of the cube is _______
2. The length, breadth and height of a cuboid are 6 cm, 8 cm & 7 cm respectively, then the T.S.A of the cuboid is _____
3. The lateral surface area of a cube is 8464 sq.m then its edge is _____
4. The edge of a cube is 14 m, then its diagonal is ______
5. The dimensions of a cuboid are 10, 12 and 15 units respectively, then the L.S.A of the cuboid is
6. The total surface area of a cube of side 2.5 cm is ______
7. 2 litres = ______ cubic cm
8. The edge of a cube is 7 m then its volume is _____ cu.m.
9. If the dimensions of a cuboid are l = 8x, b = 5x, h = 20 m and T.S.A = 2280 sq.m then the value of x is ____
10. The length, breadth, height of a cuboid are 9 m, 12 m and 11 m then the volume of given cuboid is ____ cu.m.
11. The volume of a cuboid is 7500 cu.m, if it's breadth and height are 20 m and 15 m then its length is _____
12. Three cubes of metal, whose edges are 3 cm, 4 cm and 5 cm respectively are melted to form a new cube, then the surface area of the new cube is ____
13. If  \frac{l}{4} = \frac{b}{2} = \frac{h}{2} = 10 cm, then the volume of cuboid is ____
14. The dimensions of water tank are 12.5 m, 4 m and 6 m then the volume of water it can hold is _____ litres.
15. The dimensions of a rectangular box are in the ratio 5 : 3 : 2. Its total surface area is 15.5 sq.m then height of the rectangular box is ____
16. A beam of 9 m long, 0.40 m wide and 0.20 m high is made up of iron which weights 50 kg per cubic meter. The weight of the beam is _____
17. A cube of side 6 cm is cut into a number of cubes, each of side 2 cm then the number of cubes will be
18. The surface area of a cube is 486 sq.cm then its edge is
19. The total surface area of a cube of side 20 cm is
20. The lateral surface area of a cuboid of dimensions 15 cm \times 12 cm \times 10 cm is
21. How many faces a cuboid has?
22. How many vertices a cuboid has?
23. How many edges a cuboid has ?
24. What are the examples of cuboid from the following ?
25. What is the formula of total surface area of cuboid ?
26. What is the formula of lateral surface area of cuboid ?
27. Find the T.S.A of cuboid having dimensions 4 cm \times  4 cm \times 10 cm ?
28. Find the L.S.A of cuboid having dimensions 4 cm \times  4 cm \times 10 cm ?
29. Find the L.S.A of cuboid having dimensions 6 cm \times  4 cm \times 2 cm ?
30. Find the T.S.A of cuboid having dimensions 6 cm \times  4 cm \times 2 cm ?
31. Find the T.S.A of cuboid having dimensions 6 cm \times  4 cm \times 2 cm ?
32. What is the total surface area of the duster shaped cuboid with 15 cm length, 8 cm breadth and 3 cm height ?
33. What is the lateral surface area of the duster shaped cuboid with 15 cm length, 8 cm breadth and 3 cm height ?
34. A class room has length 6 m, width 5 m and 4 m height. Then find its T.S.A ?
35. A class room has length 6 m, width 5 m and 4 m height. Then find its L.S.A ?
36. A class room has length 8 m, width 5 m and 4 m height. Then find its L.S.A ?
37. A class room has length 8 m, width 5 m and 4 m height. Then find its T.S.A ?
38. Which of the following is true ?
39. What is the T.S.A of the following figure ?

40. What is the L.S.A of the following figure ?

41. What is the formula of Total surface area of a cube ?
42. What is the formula of Lateral surface area of a cube ?
43. What is the area of the side of a cube ?
44. How many faces does a cube has ?
45. How many edges does a cube has ?
46. How many vertices does a cube has ?
47. How do the sides appear in a cube ?
48. What are the examples of a cube ?
49. In a cube all sides are similar in ____
50. What is the T.S.A of the following figure ?

51. What is the area of any side of the following figure ?

52. What is the L.S.A of the following figure ?

53. Find the T.S.A of the cube whose side is 10 cm ?
54. Find the L.S.A of the cube whose side is 8 cm ?
55. Find the T.S.A of the cube whose side is 8 cm ?
56. Find the L.S.A of the cube whose side is 10 cm ?
57. What is the L.S.A of each cube in the following figure ?

58. What is the T.S.A of each cube in the following figure ?

59. What is the T.S.A of the following figure ?

60. What is the L.S.A of the following figure ?

61. How will you arrange 12 cubes of equal lengths to form a cuboid of smallest surface area ?
62. How will you arrange 12 cubes of equal lengths to form a cuboid of smallest surface area ?
63. How will you arrange 12 cubes of equal lengths to form a cuboid of smallest surface area ? and find the value of it ?
64. There is a cuboidal box as shown in the given figure. Find its T.S.A ?

65. There is a cuboidal box as shown in the given figure. Find its T.S.A ?

 

66. There are two cuboidal boxes as shown in the given figure. Which box requires the less amount of material to make ?

67. Find the side of a cube whose surface area is 600 sq.cm ?
68. Prameela painted the outer surface of a cabinet of measures 1 m \times 2 m \times 1.5 m Find the surface area she cover if she painted all except the bottom of the cabinet ?
69. Find the T.S.A of cuboid whose dimensions are 20 cm \times 15 cm \times 12 cm ?
70. Find the T.S.A of cuboid whose dimensions are 20 cm \times 15 cm \times 12 cm ?
71. Find the T.S.A of cuboid whose dimensions are 20 cm \times 15 cm \times 12 cm at the rate of 5 paisa per square cm?
72. Amount of space occupied by a three dimensional object is called its _____
73. The volume of a solid is measured by counting ______ it contains.
74. What is the standard unit of area ?
75. What is the standard unit of volume ?
76. 1 cubic cm =
77. 1 cubic m =
78. 1 cubic mm =
79. Find the volume of cuboid formula  ?
80. Find the volume of cuboid whose dimensions are 12 cm \times 3 cm \times 1 cm ?
81. Total surface area of a cuboid is 258 sq cm, breadth 1 cm and height 1 cm. Find its length ?
82. The T.S.A of cuboid is 112  cm^{2} , length 8 cm and height 2 cm. Then find breadth ?
83. If the volume of cuboid is 112.996  m^{3} , length 8.2 cm, breadth 5.3 cm then find its height ?
84. If the volume of cuboid is 112.996  m^{3} , length 8.2 cm, breadth 5.3 cm then find its height ?
85. If the volume of cuboid is 70  m^{3} , height 3.5 cm, breadth 4.0 cm then find its length ?
86. If the volume of cuboid is 22.5  m^{3} , height 2.5 cm, length 4.5 cm then find its breadth ?
87. What is the capacity of the following cuboidal shaped container ?

88. What is the capacity of the following cuboidal shaped container ?

89. What is the capacity of the following cuboidal shaped container ?

 

90. What will happen to the volume of a cube if the length of its edge is reduced to half ?
91. What will happen to the volume of a cube if the length of its edge is reduced to half ? and how much ?
92. What will happen to the volume of a cube if the length of its edge is reduced to half ? and how much ?
93. How many bricks will be required to build a wall of 8 m long, 6 m height and 22.5 cm thick, if each brick measures 25 cm by 11.25 cm by 6 cm ?
94. A cuboid is 25 cm long, 15 cm broad and 8 cm high. How much of its volume will differ from that of a cube with the edge of 16 cm ?
95. A closed box is made up of wood which is 1 cm thick. The outer dimensions of box are 5 cm \times 4 cm  \times 7 cm. Find the volume of wood used ?
96. How many cubes of edge 4 cm, each can be cut out from cuboid whose length, breadth and height are 20 cm, 18 cm and 16 cm respectively ?
97. How many cuboids of size 4 cm  \times 3 cm  \times 2 cm can be made from a cuboid of size 12 cm  \times 9 cm  \times 6 cm ?
98. A vessel in the shape of a cuboid is 30 cm long and 25 cm wide. What should be its height to hold 4.5 litres of water ?
99. A vessel in the shape of a cuboid is 30 cm long and 25 cm wide and height 6 cm. What should be the volume of water ?
100. What is the volume of cuboid whose length is 10 cm, breadth 4 cm and height 1 cm ?

 

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