CAT Quant Practice Problems

Question: There are 5 cities, A, B, C, D and E connected by 7 roads as shown in the figure below:

Design a route such that you start from any city of your choice and walk on each of the 7 roads once and only once, not necessarily returning to the city from which you started.

For a route that satisfies the above restrictions, which of the following statements is true?

There is no route that satisfies the above restriction.
A route can either start at C or end at C, but not both.
D can be only an intermediate city in the route.
The route has to necessarily end at E.
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