Two places P and Q are 162 km apart. A train leaves P for Q and simultaneously another train leaves Q for P. They meet at the end of 6 hours. If the former train travels 8km/hour faster then the other, then speed of train from Qis

A

9 $$\frac{1}{2}$$ km/hr

B

10 $$\frac{5}{6}$$ km/hr

C

12 $$\frac{5}{6}$$ km/hr

D

15 $$\frac{1}{2}$$ km/hr

E

8 $$\frac{1}{2}$$ km/hr