A transport start-up has a single cargo truck that caters to the delivery requirements of 6 cities.
The cities are connected via toll roads as shown in the figure where the lines represent the roads, while the numbers written on them represent the toll charges in rupees.

 

1. Find the lowest cost(in rupees) to travel from city A to city C and then to city F?
a.185               b.175                   c.195                   d.165

 

2. What is the minimum cost(in rupees) of a round trip from the start point to all 6 cities?
a.425             b.295                      c. 355                d.345

 

3.How many times would the cargo truck stop at city E for the lowest cost trip to all 6 cities?

a.1                   b.2                             c.3                     d.4

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