Mensuration Questions and Answers | Online Quiz for Practice

46. The surface area of the three coterminous faces of a cuboid are 6, 15 and 10 cm 2 respectively. The volume of the cuboid is :

1. 30 cm³
2. 40 cm³
3. 20 cm³
4. 35 cm³

47. The volume of a cylinder whose radius r is equal to its height is :

1. 1/4πr³
2. πr³/32
3. πr³
4. πr³/8

48. The volume of cuboid of dimensions 4 cm, 2 cm and 3 cm is

1. 24 cm³
2. 12 cm³
3. 24 cm²
4. 26 cm³

49. The volume of the cube is 64 cm 3. Its lateral surface area is :

1. 16 cm 2
2. 64 cm 2
3. 96 cm 2
4. 128 cm 2

50. The volume of the cube whose edge is 3x is:

1. 27 x³
2. 9 x³
3. 6 x³
4. 3 x³

51. Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube is

1. 12 cm
2. 24 cm
3. 18 cm
4. 20 cm

52. Two cubes have volumes in the ratio 1 : 64. The ratio of the area of a face of first cube to the other is:

1. 1:04
2. 1:08
3. 1:16
4. 1:32

53. Two dimensional figure is a

1. solid figure
2. plane figure
3. cylinder figure
4. None of these

54. What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w units

1. lw/2
2. lw/3
3. lw/6
4. lw/4

55. What will be the change in the volume of a cube when its side becomes 10 times the original side?

1. Volume becomes 1080 times
2. Volume becomes 10 times
3. Volume becomes 1000 times
4. Volume becomes 1/1000 times

56. Which of the following has the formula 1/2 (sum of parallel sides) × h

1. area of rectangle
2. area of rhombus
3. area of quadrilateral
4. area of trapezium

57. Which of the following is an example of 3 D

1. rectangle
2. circle
3. triangle
4. sphere

58. Which of the following is an example of two dimensions

1. cuboid
2. cone
3. sphere
4. circle

59. Which of the following shape has two dimensions

1. ring
2. soap
3. chalk box
4. cylinder