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				| 1. | 
                                    Q: How many iron rods, each of length 7 mts and diameter 2 cms can be made out of 0.88 cubic metre of iron ? | 
                            
| A. | 500 | 
| B. | 600 | 
| C. | 400 | 
| D. | 300 | 
| Answer» D. 300 | |