MCQOPTIONS
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				| 1. | 
                                    ________ is used in the entrance of cinema theatres and shopping malls. | 
                            
| A. | Open well stair case | 
| B. | Dog legged stair case | 
| C. | Geometrical stair case | 
| D. | Single flight stair case | 
| Answer» D. Single flight stair case | |