14. In the following figure, how many faces meeting at B?

- (A) 2
- (B) 3
- (C) 4
- (D) 5
13. If the sum of number of vertices and faces in a polyhedron is 14, then the number of edges in that shape is
- (A) 12
- (B) 13
- (C) 8
- (D) 10
12. Volume of the following prism is

- (A) (l + b)h
- (B) (l + b) + h
- (C) (l × b) × h
- (D) (l × b) + h
11. Volume of the following prism is

- (A) abh
- (B) (1/2)abh
- (C) (3/4)abh
- (D) a × b × h
10. Volume of the following prism is

- (A) alh
- (B) (1/2)alh
- (C) (3/4)alh
- (D) (5/2)alh
9. How many cubes are there in the following figure?

- (A) 21
- (B) 18
- (C) 19
- (D) None of these
8. How many cubes are there in the following figure?

- (A) 12
- (B) 14
- (C) 13
- (D) None of these
7. How many cubes are there in the following figure?

- (A) 16
- (B) 15
- (C) 12
- (D) None of these
6. How many cubes are there in the following figure?

- (A) 16
- (B) 15
- (C) 12
- (D) None of these
5. Identical cubes are stacked in the corner of a room as shown below.

4. The number of cubes that are not visible are
- (A) 4
- (B) 5
- (C) 6
- (D) 7
3. Identical cubes are stacked in the corner of a room as shown below.

2. The number of cubes that are visible are
- (A) 4
- (B) 5
- (C) 6
- (D) 7
1. A photographer uses a computer program to enlarge a photograph. What is the scale according to which the width has enlarged?

- (A) 1 : 3
- (B) 1 : 2
- (C) 2 : 1
- (D) 3 : 1
