Chapter 11 – Mensuration
64. Four horses are tethered with equal ropes at 4 corners of a square field of side 70 metres so that they just can reach one another. Find the area left ungrazed by the horses.
10
Aug
64. Four horses are tethered with equal ropes at 4 corners of a square field of side 70 metres so that they just can reach one another. Find the area left ungrazed by the horses. 64. Four horses are tethered with equal ropes at 4 corners of a square field of side 70 metres so [...]
63. The circumference of the front wheel of a cart is 3 m long and that of the back wheel is 4 m long. What is the distance travelled by the cart, when the front wheel makes five more revolutions than the rear wheel?
10
Aug
63. The circumference of the front wheel of a cart is 3 m long and that of the back wheel is 4 m long. What is the distance travelled by the cart, when the front wheel makes five more revolutions than the rear wheel? 63. The circumference of the front wheel of a cart is [...]
62. The area of a rectangular field is 48 m^2 and one of its sides is 6m. How long will a lady take to cross the field diagonally at the rate of 20 m/minute?
10
Aug
62. The area of a rectangular field is 48 m^2 and one of its sides is 6m. How long will a lady take to cross the field diagonally at the rate of 20 m/minute? 62. The area of a rectangular field is 48 m^2 and one of its sides is 6m. How long will a [...]
61. Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 : π.
10
Aug
61. Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 : π. 61. Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 : π. August 10, 2021 Category: Chapter 11 - Mensuration , [...]
60. The surface area of a cube formed by cutting a cuboid of dimensions 2 × 1 × 1 in 2 equal parts is 2 sq. units.
10
Aug
60. The surface area of a cube formed by cutting a cuboid of dimensions 2 × 1 × 1 in 2 equal parts is 2 sq. units. 60. The surface area of a cube formed by cutting a cuboid of dimensions 2 × 1 × 1 in 2 equal parts is 2 sq. units. August [...]
59. Two cylinders with equal volume will always have equal surface areas.
10
Aug
59. Two cylinders with equal volume will always have equal surface areas. 59. Two cylinders with equal volume will always have equal surface areas. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
58. A cube of side 3 cm painted on all its faces, when sliced into 1 cubic centimetre cubes, will have exactly 1 cube with none of its faces painted.
10
Aug
58. A cube of side 3 cm painted on all its faces, when sliced into 1 cubic centimetre cubes, will have exactly 1 cube with none of its faces painted. 58. A cube of side 3 cm painted on all its faces when sliced into 1 cubic centimetre cubes will have exactly 1 cube with [...]
57. The area of a trapezium become 4 times if its height gets doubled.
10
Aug
57. The area of a trapezium become 4 times if its height gets doubled. 57. The area of a trapezium become 4 times if its height gets doubled. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
56. Two cuboids with equal volumes will always have equal surface areas.
10
Aug
56. Two cuboids with equal volumes will always have equal surface areas. 56. Two cuboids with equal volumes will always have equal surface areas. August 10, 2021 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
55. The surface area of a cuboid formed by joining face to face 3 cubes of side x is 3 times the surface area of a cube of side x.
10
Aug
55. The surface area of a cuboid formed by joining face to face 3 cubes of side x is 3 times the surface area of a cube of side x. 55. The surface area of a cuboid formed by joining face to face 3 cubes of side x is 3 times the surface area of [...]