Consider the following pairs:
| S.No. | Steel Industry | Location |
| 1. | Pittsburg | USA |
| 2. | Duisburg | United Kingdom |
| 3. | Birmingham | Germany |
| 4. | Lipetsk | Russia |
How many pairs given above are correctly matched?
1
Only one pair
2
Only two pairs
3
Only three pairs
4
More than one of the above
5
None of the above