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# A car driver knows four different routes from Delhi to Amritsar. From Amritsar to Pathankot, he knows three different routes and from Pathankot to Jammu he knows two different routes. How many routes does he know from Delhi to Jammu?

Last updated date: 17th Mar 2023
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According to the given problem, a car driver can reach Amritsar from Delhi through four different routes and that car driver can reach Pathankot from Amritsar through three different routes which means that the car driver can reach Pathankot from Delhi in total $4 \times 3 = 12$ ways. It is also given that the car driver can reach Jammu from Pathankot through two different routes.
Hence, the total number of routes or ways in which he can reach Jammu from Delhi are $4 \times 3 \times 2 = 24$ ways.