Class 8 Mensuration CBSE Questions & Answers

Class 8 · Mensuration

This is Mathematics Class 8 Mensuration CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Find the volume of a cuboid whose length is 8 cm, breadth 6 cm and height 3.5 cm.
  • A
    168 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    215 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • C
    150 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • D
    168 \({\text{c}}{{\text{m}}^{\text{3}}}\)
    Correct
2
Find the area of a triangle whose base is 4 cm and altitude is 6 cm.
  • A
    10 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • B
    16 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    12 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • D
    14 \({\text{c}}{{\text{m}}^{\text{2}}}\)
3
Find the volume of a cuboid whose length is 8 cm, width is 3 cm and height is 5 cm.
  • A
    125 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • B
    130 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • C
    135 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • D
    120 \({\text{c}}{{\text{m}}^{\text{3}}}\)
    Correct
4
Find the cube root of\({\text{14}}0{\text{ }} \times {\text{ 245}}0\).
Question 4 figure 1
  • A
    55
  • B
    65
  • C
    70
    Correct
  • D
    45
5
Find the perimeter of the given figure.
  • A
    10 cm
  • B
    14 cm
    Correct
  • C
    8 cm
  • D
    12 cm
6
Area of a trapezium = Half of the sum of the lengths of parallel sides \( \times {\text{ }}\_\_\_\_\_\_\)
  • A
    perpendicular distance between them
    Correct
  • B
    perimeter of base
  • C
    area of base
  • D
    None of these
7
_________ of a solid is the sum of the areas of its faces.
  • A
    Surface area
    Correct
  • B
    Volume
  • C
    None of these
  • D
    Area
8
The diagonal of a quadrilateral shaped field is 24 cm and perpendicular dropped on it from the remaining opposite vertices are 6 m and 12 m. Find the area of the field.
  • A
    343 \({{\text{m}}^{\text{2}}}\)
  • B
    216 \({{\text{m}}^{\text{2}}}\)
    Correct
  • C
    None of these
  • D
    125 \({{\text{m}}^{\text{2}}}\)
9
A rectangular paper of width 7 cm is rolled along its width and a cylinder of radius 20 cm is formed. Find the volume of the cylinder.
  • A
    8800 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • B
    8800 cm
  • C
    None of these
  • D
    8800 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
10
The top surface of a box is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface.
  • A
    119 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • B
    119 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • C
    119 cm
  • D
    None of these
11
The parallel sides of a trapezium are 25 cm and 13 cm. Its non-parallel sides are equal, each being 10 cm. Find the area of the trapezium.
Question 11 figure 1
  • A
    152 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • B
    152 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • C
    152 cm
  • D
    None of these
12
Find the area of the given quadrilateral.
Question 12 figure 1
  • A
    None of these
  • B
    45 \({\text{c}}{{\text{m}}^{\text{3}}}\)
  • C
    45 cm
  • D
    45 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
13
Find the altitude of a trapezium, the sum of the lengths of whose bases is 6.5 cm and whose area is 26 \({\text{c}}{{\text{m}}^{\text{2}}}\).
  • A
    8 cm
    Correct
  • B
    10 cm
  • C
    12 cm
  • D
    6 cm
14
Find the total surface area of a cube whose volume is 343 \({\text{c}}{{\text{m}}^{\text{3}}}\).
  • A
    294 \({\text{c}}{{\text{m}}^{\text{2}}}\)
    Correct
  • B
    350 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • C
    200 \({\text{c}}{{\text{m}}^{\text{2}}}\)
  • D
    494 \({\text{c}}{{\text{m}}^{\text{2}}}\)
15
A cylindrical tank has a capacity of 5632 \({{\text{m}}^{\text{3}}}\). If the diameter of its base is 16 m, find its depth.
  • A
    28 m
    Correct
  • B
    26 m
  • C
    66 m
  • D
    30 m