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Olympiad Test: Visualising Solid Shapes - 2 - Class 8 MCQ


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10 Questions MCQ Test - Olympiad Test: Visualising Solid Shapes - 2

Olympiad Test: Visualising Solid Shapes - 2 for Class 8 2024 is part of Class 8 preparation. The Olympiad Test: Visualising Solid Shapes - 2 questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: Visualising Solid Shapes - 2 MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Visualising Solid Shapes - 2 below.
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Olympiad Test: Visualising Solid Shapes - 2 - Question 1

A solid shape is generated by extruding a rectangle, out of its plane. The shape will be :

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 1

When we extrude a rectangle, a cuboid will be generated. 

Olympiad Test: Visualising Solid Shapes - 2 - Question 2

The top view will contain : 

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 2

The top view will have 1 rectangle joined with a square. 

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Olympiad Test: Visualising Solid Shapes - 2 - Question 3


The above figure is generated from 4 cubes; The number of squares in front view = x, number of squares in top view = y. (x + y) =

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 3

Number of squares in front view = 3
Number of squares in top view = 3
∴ x + y = (3 + 3) = 6

Olympiad Test: Visualising Solid Shapes - 2 - Question 4


A cube is extracted from a well-arranged vertical cubes, which are 3 in number. When viewed form top, the number of edges will be : 

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 4

Top view : 
Number of edges = 7

Olympiad Test: Visualising Solid Shapes - 2 - Question 5


The above solid contain 3 cubes. The number of edges will be : (cubes are of different dimensions)

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 5

When 2 cubes are joined, then the number of edges will be
= (12 + 12) – (4) = 20
When 1st cube is joined to the two cubes in desired manner then no. of edges
= (20 + 12) – (4) = 28
∵ cubes are of same dimensions. 

Olympiad Test: Visualising Solid Shapes - 2 - Question 6


Number of vertices in the given fig. is (cubes are of same dimension)

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 6

After joining of 2 cubes, a cuboid will be formed,
∴ No. of vertices = 8 After final joining, no. of vertices
= 8 + 4 = 12

Olympiad Test: Visualising Solid Shapes - 2 - Question 7


The front view of the shape will have ---- edges.

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Olympiad Test: Visualising Solid Shapes - 2 - Question 8


The top view of a cone will be :

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 8


The top view of a cone contains circles with radii varying from zero to R, in radial directions (same centre)

Olympiad Test: Visualising Solid Shapes - 2 - Question 9

A parallelogram is extruded outwards with the axis inclined at some angle with the vertical. The resulting figure will be :

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 9

Olympiad Test: Visualising Solid Shapes - 2 - Question 10


The number of vertices in front view + number of vertices in top view - number of vertices in bottom view =

Detailed Solution for Olympiad Test: Visualising Solid Shapes - 2 - Question 10



∴ Required no. of vertices = (3 + 6) – (4) = 5.
∵Top view has solid line, but the solid line will be invisible in bottom view.
∴Top view has 6 vertices and bottom view has 4 vertices. 

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