With reference to the figure given below, the number of different routes from S to T without retracing from U and/or V, is

व्याख्या एवं हल
सही उत्तर: (D) 18
In English (Question & Model Answer)
With reference to the figure given below, the number of different routes from S to T without retracing from U and/or V, is

Correct Option: (D) 18