Mensuration Multiple Choice Questions and Answers for Practice

16. If the height of a cylinder becomes 1/4th of the original height and the radius is doubled, then which of the following will be true:

1. Volume of cite cylinder will be doubled.
2. Volume of cylinder will remain unchanged.
3. Volume of cylinder will be halved
4. Volume of cylinder of the cylinder will be 1/4 of the original volume.

17. If the length of edge of cube is 4 cm , its volume is

1. 16 cm²
2. 64 cm³
3. 64 cm²
4. 16 cm³

18. If the radius of the cylinder is tripled but its curved surface area is unchanged, then its height will be

1. tripled
2. constant
3. one sixth
4. one third

19. If the side of the cube is 2 m , then the surface area of the cube is

1. 12 m²
2. 12 m
3. 24 m²
4. 24 m

20. In a quadrilateral, half of the product of the sum of the lengths of parallel sides and the parallel distance between them gives the area of

1. rectangle
2. parallelogram
3. triangle
4. trapezium

21. In a right circular cylinder, the line segments joining the centre of circular faces is.............to the base

1. parallel
2. rectangular
3. circular
4. perpendicular

22. Plane figures are

1. 3 D
2. 2 D
3. 1 D
4. 4 D

23. Pyramid is an example of

1. 1 D
2. 2 D
3. 3 D
4. 4 D

24. Solid figures are

1. 3 D
2. 2 D
3. 1 D
4. 4 D

25. The amount of space occupied by a three dimensional objects is called its

1. area
2. surface area
3. volume
4. lateral surface area

26. The area of a parallogram is 60 sq. cm and one of its altitude is 5 cm. The length of its corresponding side is

1. 12 cm
2. 6 cm
3. 4 cm
4. 2 cm

27. The area of a trapezium is

1. 1/2 (sum of parallel sides) × h
2. 2 (sum of parallel sides) × h
3. (sum of parallel sides) × h
4. 1/2(sum of parallel sides) + h

28. The area of four walls of the room is

1. 2 (lb + bh + hl)
2. 2l (h + b)
3. 2 (lb x bh x hl)
4. 2h (l + b)

29. The area of rhombus is

1. side × side
2. d₁ × d₂
3. d₁ + d₂
4. 1/2 (d₁ × d₂)

30. The dimension of a godown are 40 m, 25 m and 10 m. If it is filled with the cuboidal boxes each of dimension 2 m x 1.25 m x 1 m, then the number of boxes will be :

1. 1800
2. 2000
3. 4000
4. 8000