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1. |
Two trains starting at the same time from two-stations 300 km apart and going in opposite directions, cross each other at a distance of 160 km from one of them. The ratio of their speeds is : |
A. | 7:9 |
B. | 16:20 |
C. | 8:7 |
D. | 8:12 |
Answer» D. 8:12 | |