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Test: Mensuration- 2 - Class 8 MCQ


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10 Questions MCQ Test Mathematics (Maths) Class 8 - Test: Mensuration- 2

Test: Mensuration- 2 for Class 8 2025 is part of Mathematics (Maths) Class 8 preparation. The Test: Mensuration- 2 questions and answers have been prepared according to the Class 8 exam syllabus.The Test: Mensuration- 2 MCQs are made for Class 8 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Mensuration- 2 below.
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Test: Mensuration- 2 - Question 1

Find the volume of a cuboid whose length is 8 cm, breadth 6 cm and height 3.5 cm. 

Detailed Solution for Test: Mensuration- 2 - Question 1

- Volume Formula: Volume = Length × Breadth × Height
- Given Dimensions:
- Length = 8 cm
- Breadth = 6 cm
- Height = 3.5 cm
- Substituting the given values:
- 8 × 6 × 3.5
- 48 × 3.5 = 168
- Result: The volume of the cuboid is 168 cm³.

Test: Mensuration- 2 - Question 2

Find the volume of a cuboid whose length is 8 cm, width is 3 cm and height is 5 cm. 

Detailed Solution for Test: Mensuration- 2 - Question 2
Volume of cubiod =l×b×h
=8×3×5
=120cm3 .
Test: Mensuration- 2 - Question 3

Find the perimeter of the a square with side 4cm.

Detailed Solution for Test: Mensuration- 2 - Question 3

The perimeter of a square is calculated by multiplying the length of one side by four. Given that each side is 4 cm, the calculation is as follows:

  • Perimeter = 4 × 4 cm = 16 cm

Thus, the correct answer is A, 16 cm.

Test: Mensuration- 2 - Question 4

The area of the circle is 2464 cm2 and the ratio of the breadth of the rectangle to radius of the circle is 6:7. If the circumference of the circle is equal to the perimeter of the rectangle, then what is the area of the rectangle.

Detailed Solution for Test: Mensuration- 2 - Question 4

Area of the circle=πr2

2464 = 22/7 * r2

Radius of the circle=28 cm

Circumference of the circle=2 * π* r =2 * 22/7 * 28 

= 176 cm

Breadth of the rectangle=6/7 * 28=24 cm

Perimeter of the rectangle=2 * (l + b)

176 = 2 * (l + 24)

Length of the rectangle = 64 cm

Area of the rectangle = l * b = 24 * 64 = 1536 cm2 

Test: Mensuration- 2 - Question 5

Top surface of a raised platform is in the shape of regular octagon as shown in the figure. Find the area of the octagonal surface.

Detailed Solution for Test: Mensuration- 2 - Question 5

We will divide the octagon in 3 parts which are two trpeziums ABCH and DEFG and one rectangle CDGH and find the area for all of them separately and add them to get the area of octagon

Test: Mensuration- 2 - Question 6

If the parallel sides of a parallelogram are 2 cm apart and their sum is 10 cm then its area is:

Detailed Solution for Test: Mensuration- 2 - Question 6

use formula:1/2(sum of of parallel sides)(distance between them)

= 1/2 *(10)*2 = 10 cm2

Test: Mensuration- 2 - Question 7

If the edge of a cube is 1 cm then which of the following is its total surface area?

Detailed Solution for Test: Mensuration- 2 - Question 7

The total surface of a cube is calculated using the formula: Total Surface Area = 6 x (side length)2

Edge of the cube = 1 cm

substitute the value into the formula: Total Surface Area = 6 x 1 2 = 6 cm 2

Test: Mensuration- 2 - Question 8

Find the area of a triangle whose base is 4 cm and altitude is 6 cm.

Detailed Solution for Test: Mensuration- 2 - Question 8

We know that area of triangle is equals to 1/2 base × altitude.
Here, base = 4 cm and altitude = 6 cm.
So, area = 1/2 × 4 × 6= 24 /2= 12 cm2.

Test: Mensuration- 2 - Question 9

The area of a rhombus is 200 cm², and one of its diagonals is 20 cm. The length of the other diagonal is _____

Detailed Solution for Test: Mensuration- 2 - Question 9

Let the length of one diagonal be d1 = 20 cm, and the length of the other diagonal be d2

The formula for the area of a rhombus is:
Area = 1/2 x dx d2

Substitute the given values:

200 cm² = 1/2 x 20 x d2

200 cm² = 10 x d2

20cm = d

Test: Mensuration- 2 - Question 10

The length of each side of a cube is 24 cm. The volume of the cube is equal to the volume of a cuboid. If the breadth and the height of the cuboid are 32 cm and 12 cm, respectively, then what will be the length of the cuboid?

Detailed Solution for Test: Mensuration- 2 - Question 10

Given:  
The length of each side of a cube is 24 cm.  
The breadth and the height of the cuboid are 32 cm and 12 cm, respectively.  

Concept used:  
The volume of the cube is equal to the volume of a cuboid.  
Volume of cube = a³  
Volume of cuboid = lbh  

Calculation:  
The volume of the cube is equal to the volume of a cuboid.  
⇒ 24³ = l × 32 × 12  
⇒ l = 3 × 12  
⇒ l = 36  

∴ Option 1 is the correct answer.
 

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