Question 57
MCQ
2025
Medium
MCQ
+3.00 marks · -0.71 negative
Residents of planet Earthella are planning to abandon it and fly to planet Marsella because of an acute water crisis. They may choose any of the flight paths connecting Earthella to Marsella through a set of intermediate refuelling stations. How many unique flight paths be charted out if paths cannot retrace any segment that they have already traversed or revisit any station (including Earthella)? [Figure: see page 23 of source PDF]
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