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Two trains started at the same time, one from A to B and the other from B to A. If they arrived at B and A respectively 4 hours and 9 hours after they passed each other, the ratio of the speed of the two trains was
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- 2 : 1
- 3 : 2
- 4 : 3
- 5 : 4
Correct Option: B
| Required ratio of the speed of two trains = | |
| √4 |
| = | or 3 : 2 | |
| 2 |
