Chemical Effects of Electric Current
Some natural Phenomena
Force and Pressure
Pollution of Air and Water
Cell Structure and Functions
Crop Production and Management
Friction
Reproduction in Animals
Synthetic Fibres and Plastics
Coal and Petroleum
Combustion and Flame
Reaching the Age of Adolescence
Conservation and Flame
Light
Materials: Metals and Non-Metals
Microorganisms: Friend and Foe
Sound
Stars and the Solar System
Conservation of Plants and Animals

Algebraic Expressions and Identities
Data Handling
Direct and Inverse Proportions
Linear Equations in One Variable
Visualising Solid Shapes
Introduction to Graphs
Understanding Quadrilaterals
Factorisation
Cubes and Cube Roots
Comparing Quantities
Practical Geometry
Rational Numbers
Squares and Square Roots
Exponents and Powers
Mensuration
Playing with Numbers

Visualising Solid Shapes

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Q 1. Which one of the following is the possible number of faces,edges and vertices respectively of a polyhedron?

5, 9, 7

8, 18, 12

8, 12, 7

None of these

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Q 2. The number of edge in a pyramid with square base is :

4

6

8

10

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Q 3. The number of vertices in a cone is :

1

2

6

8

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Q 4. Solids with line segments as their edges are called :

Square

Polygons

Polyhedrons

Cylinders

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Q 5. If E = 5, V = 3 then the value of F is :

6

4

7

2

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Q 6. Which of the following solids has maximum number of vertices ?

Cylinder

Cuboid

Cone

Tetrahedron

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Q 7. If polyhedron has six faces and eight vertices, find the number of edges.

12

10

11

13

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Q 8. Which of the following is the number of faces of a hemisphere?

1

2

many

none of these

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Q 9. Which of the following is the number of vertices of sphere ?

0

1

2

4

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Q 10. Which of the following is the base of a tetrahedron ?

a square

a rectangle

a square antiprism

a triangle

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Q 11. Which of these nets matches that of a cylinder ?

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Q 12. Which of the following picture is the correct for the given net?

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Q 13. Which of the following picture is the correct for the given net?

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Q 14. Which of the following solids has the least number of vertices?

Cone

Cylinder

Cube

Pyramid

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Q 15. Which of the following is a solid ?

Triangle

Cone

Rhombus

Circle

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Q 16. Which is a three dimensional figure ?

Rhombus

Quadrilateral

Cone

A line segment

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Q 17. How many plane faces does a cylinder has ?

One

Two

Three

None

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Q 18. A polyhedron has sixteen vertices and twenty four edges. How many faces does it have ?

12

10

11

13

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Q 19. A polyhedron has seven vertices and ten faces. How many edges does it have ?

15

20

22

25

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Q 20. A solid has forty faces, sixty edges. How many vertices does it have ?

15

20

22

25

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Q 21. Which of the following can be other name of a cylinder ?

A triangular prism

A rectangular prism

A vertical prism

A circular prism

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Q 22. If the base of a prism is a polygon of 'n' sides, then which of the following is the number of faces of the prism?

n + 2

n + 1

n

n - 1

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Q 23. Which of the following nets matches that of a cube ?

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