Twostations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Anothertrain starts from B at 8 a.m. and travels towards A at a speed of 25 kmph. At what time will they meet?

A

9 a:m.

B

10 a.m

C

11 a.m

D

10:30 am