Chapter 11 – Mensuration
34. The volume of a cylinder becomes __________ the original volume if its radius becomes half of the original radius.
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Aug
34. The volume of a cylinder becomes __________ the original volume if its radius becomes half of the original radius. 34. The volume of a cylinder becomes __________ the original volume if its radius becomes half of the original radius. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
33. If a cube fits exactly in a cylinder with height h, then the volume of the cube is __________ and surface area of the cube is __________.
10
Aug
33. If a cube fits exactly in a cylinder with height h, then the volume of the cube is __________ and surface area of the cube is __________. 33. If a cube fits exactly in a cylinder with height h then the volume of the cube is __________ and surface area of the cube is [...]
32. If the diagonals of a rhombus get doubled, then the area of the rhombus becomes __________ its original area.
10
Aug
32. If the diagonals of a rhombus get doubled, then the area of the rhombus becomes __________ its original area. 32. If the diagonals of a rhombus get doubled then the area of the rhombus becomes __________ its original area. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
31. The surface area of a cuboid formed by joining two cubes of side a face to face is __________.
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Aug
31. The surface area of a cuboid formed by joining two cubes of side a face to face is __________. 31. The surface area of a cuboid formed by joining two cubes of side a face to face is __________. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
30. A cube of side 5 cm is cut into 1 cm cubes. The percentage increase in volume after such cutting is __________.
10
Aug
30. A cube of side 5 cm is cut into 1 cm cubes. The percentage increase in volume after such cutting is __________. 30. A cube of side 5 cm is cut into 1 cm cubes. The percentage increase in volume after such cutting is __________. August 10, 2021 Category: Chapter 11 - Mensuration , [...]
29. A cube of side 4 cm is painted on all its sides. If it is sliced in 1 cubic cm cubes, then number of such cubes that will have exactly two of their faces painted is __________.
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Aug
29. A cube of side 4 cm is painted on all its sides. If it is sliced in 1 cubic cm cubes, then number of such cubes that will have exactly two of their faces painted is __________. 29. A cube of side 4 cm is painted on all its sides. If it is sliced [...]
28. If R is the radius of the base of the hat, then the total outer surface area of the hat is
10
Aug
28. If R is the radius of the base of the hat, then the total outer surface area of the hat is 28. If R is the radius of the base of the hat then the total outer surface area of the hat is August 10, 2021 Category: Chapter 11 - Mensuration , Maths , [...]
27. Ramesh has three containers. (a) Cylindrical container A having radius r and height h, (b) Cylindrical container B having radius 2r and height 1/2 h, and (c) Cuboidal container C having dimensions r × r × h The arrangement of the containers in the increasing order of their volumes is
10
Aug
27. Ramesh has three containers. (a) Cylindrical container A having radius r and height h, (b) Cylindrical container B having radius 2r and height 1/2 h, and (c) Cuboidal container C having dimensions r × r × h The arrangement of the containers in the increasing order of their volumes is (b) Cylindrical container B [...]
26. The surface areas of the six faces of a rectangular solid are 16, 16, 32, 32, 72 and 72 square centimetres. The volume of the solid, in cubic centimetres, is
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Aug
26. The surface areas of the six faces of a rectangular solid are 16, 16, 32, 32, 72 and 72 square centimetres. The volume of the solid, in cubic centimetres, is 16 … 26. The surface areas of the six faces of a rectangular solid are 16 3^2 72 and 72 square centimetres. The volume [...]
25. Two cubes have volumes in the ratio 1:64. The ratio of the area of a face of first cube to that of the other is
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Aug
25. Two cubes have volumes in the ratio 1:64. The ratio of the area of a face of first cube to that of the other is 25. Two cubes have volumes in the ratio 1:64. The ratio of the area of a face of first cube to that of the other is August 10, 2021 [...]