If there are 4 paths to travel from Delhi to Kanpur, then in how many ways a person can travel from Delhi to Kanpur and came back to Delhi?
If there are 4 paths to travel from Delhi to Kanpur, then in how many ways a person can travel from Delhi to Kanpur and came back to Delhi? Correct Answer 16
If there are 4 paths to travel from Delhi to Kanpur then number of paths to travel from Kanpur to Delhi are 4. So, by the fundamental principle of counting, total number of ways to go and come back are 4*4 = 16.
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Feb 20, 2025