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Published on: 07/09/2019
Visualising Solid Shapes
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Questions + Answers key
Take MCQ Mathematics Test
1.
Three cubes each with 2 cm edge are placed side by side to form a cuboid. Try to make an oblique sketch and say what could be its length, breadth and height.
2.
Write the number of faces, edges and vertices in the solids given below:
Triangular pyramid
3.
Use isometric dot paper and make an isometric sketch for each one of the given shapes
4.
What will be the base of a square pyramid?
5.
Here, you find four nets. There are two correct nets among them to make a tetrahedron. See if you can work out, which nets will make a tetrahedron
6.
I have 2 vats each containing 2 mats. 2 cats sat on each of the mats. Each cat wore 2 funny old hats. On each hat lay 2 thin rats. On each rat perchaed 2 black bats. How many things are in my vats?
7.
Solve the number riddles:
Add four to six times a number,
To get exactly sixty four!
Perfect credit is yours to ask for
If you instantly tell the score!
8.
The following diagrams show the nets of various solids. Name the solids.
9.
Make a net for given cone
10.
Give an oblique sketch for the following:
A cube with an edge 4 cm long.
11.
Draw a net of the solid given in the figure
12.
Draw the top, side and front views of the solids given below in figures
13.
If we rotate a right angled triangle of height 5 cm and base 3 cm about its height a full turn, we get
cone of height 5 cm, base diameter 3 cm
triangle of height 5 cm, base diameter 3 cm
cone of height 5 cm, base diameter 6 cm
triangle of height 5 cm, base diameter 6 cm
14.
When we cut a corner of a cube as shown in the figure, we get the cut-out piece as
square pyramid
trapezium prism
triangular pyramid
a triangle
15.
Total number of edges a cylinder has
0
1
2
3
16.
Out of the following, which is a 3-D figure?
Square
Sphere
Triangle
Circle
17.
All faces of a pyramid are always
triangular
rectangular
congruent
None of these
18.
is a net of a -----
19.
A square pyramid has ------- faces,------ edges and ------ vertices.
20.
A triangular pyramid has ------ faces ----- edges and ------ vertices.
21.
An example of solid with no vertex is ------
22.
The common portion of two adjacent faces of a cuboid is called a/an-----
23.
While sphere is a 2-D figure, circle is a 3-D figure
24.
While rectangle is a 2-D figure, cuboid is a 3-D figure.
25.
A rectangular pyramid has 5 rectangular faces.
26.
If the base of a pyramid is a square, it is called a square pyramid.
27.
A triangular prism has 5 faces, 9 edges and 6 vertices.
1.
Three cubes each with 2 cm edge are placed side by side to form a cuboid, thus its oblique sketch is given below:
Now, length of cuboid = 2 + 2 + 2 = 6 cm
Breadth of cuboid = 2 ern and height of cuboid = 2 cm.
2.
The number of faces in triangular pyramid = 4
The number of edges in triangular pyramid = 6
The number of vertices in triangular pyramid = 4
3.
An isometric sketch for each one of the given shape are as follow:
4.
Square
5.
In the given figures, nets (i) and (iii) are two correct nets to make a tetrahedron.
6.
Total number of things
= 2x[2+2x2+2x2x2+2
x 2 x 2 x 2 + 2 x 2 x 2 x 2 x 2]
= 2x[2+4+8+16+32]
= 2 x 62 = 124.
7.
Let the number be x.
Then, according to the question,
6x+4=64 => 6x=64-4
\(\Rightarrow \)6x = 60 \(\Rightarrow \)x=\(\frac { 60 }{ 6 } \)
\(\Rightarrow \)x = 10
Hence, the required number is 10.
8.
Triangular prism
9.
Net for the given cone figure will be
10.
(i) Oblique sketch of the cube of edge 4 cm is as follows:
(ii) An isometric sketch of this cube is as follows:
11.
The net of the given solid figure will be
12.
13.
(c)
cone of height 5 cm, base diameter 6 cm
14.
(c)
triangular pyramid
15.
(c)
2
16.
(b)
Sphere
17.
(d)
None of these
18.
( )
triangular prism.
19.
( )
5 faces, 8 edges and 5 vertices.
20.
( )
4 faces, 6 edges and 4 vertices.
21.
( )
sphere.
22.
( )
edge.
23.
(b)
24.
(a)
25.
(b)
26.
(a)
27.
(a)
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