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    				| 1. | From IIT Roorkee to IIM Kashipur in Uttarakhand, there are total 325 railway stations falling on a straight railway line. A local train stops at every 3rd station, an express train stops at every 5th station and a bullet train stops at every 8th railway station. How many pairs of stations are connected by exactly two different types of trains? | 
| Answer» 25 | |