1) P, Q, R, S, T, U, V are seven places are connected by two-way roads: P and Q; P and U; R and U; R and S; U and V; S and T; Q and R; T and V.No other roads exist. The shortest route from P to V is A) P-R-V B) P-T-V C) P-Q-R-U-V D) P-U-V Answer: Option DExplanation:As is seen ,P-U-V is the shortest way from P to V.
