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1. |
Two stations P and Q are 110 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of |
A. | 10.30 a.m |
B. | 10 a.m. |
C. | 9.10 a.m. |
D. | 11 a.m |
Answer» C. 9.10 a.m. | |