Aptitude Discussion

Q. |
Two trains starting at the same time from 2 stations 200 km apart and going in opposite direction cross each other at a distance of 110 km from one of the stations. What is the ratio of their speeds? |

✔ A. |
$11 : 9$ |

✖ B. |
$7:3$ |

✖ C. |
$18 : 4$ |

✖ D. |
None of these |

**Solution:**

Option(**A**) is correct

In same time, they cover 110 km and 90 km respectively.

For the same time speed and distance is inversely proportional.

So ratio of their speed = $110:90$ = **11: 9**

**Ritaprava**

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**Akshay**

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please validate my undersatnding that speed and distance are direclt proportional so how the solution shows that it is inversly proportional

**Abhishek**

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speed and distance is directly proportional for same time.

Distance covered by a train must include its own length, as the trains crossed each other.