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7. The number of vertices of a cube is
A. 8
B. 12
C. 6
D. 3
8. The number of edges of a cube is
A. 8
B. 12
C. 6
D. 3
9. The number of faces of a cube is
A. 8
B. 12
C. 6
D. 3
16. Two cubes of edge length 2 cm are placed side by side. The length of the resulting cuboid is
A. 2 cm
B. 4 cm
C. 1 cm
D. none of these
17. What cross-section do you get when you give a horizontal cut to a die?
A. Square
B. Rectangle
C. Triangle
D. Circle
18. What cross-section do you get when you give a vertical cut to a brick?
A. Square
B. Rectangle
C. Triangle
D. Circle
19. The shadow of the lamp of an a cube when seen under overhead projector is
A. square
B. circle
C. triangle
D. rectangle
20. What cross-section do you get when you give a horizontal cut to an ice-cream cone?
A. Triangle
B. Circle
C. Rectangle
D. Square
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