### Discussion :: Problems on Trains - Data Sufficiency 1 (Q.No.2)

Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and

- Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
- Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
- Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
- Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
- Give answer(E) if the data in both Statements I and II together are necessary to answer the question.

Aditi said: (Nov 30, 2010) | |

what is 5/18 in (u+v)? |

Kapil said: (Dec 16, 2010) | |

Relative speed,u+v = 150 km/hr we multiply it with 5/18 to convert it into m/sec u+v= 150*(5/18) |

Sanjay said: (Jun 17, 2012) | |

@ADITI. 1 kilo is 1000. 1hour is 60s*60m=3600s. 1000/3600 = 5/18. If you multiply 5/18 to that value you can convert it in to m/s. |

Rakhee said: (May 16, 2016) | |

How 9 comes? I am not getting this please help me. |

Mukesh said: (Aug 9, 2016) | |

Time is taken to cross each other 9 seconds given in the question. So we can put the value in that place in the formula. |

Muhammad Safad said: (Oct 1, 2016) | |

What mentioned u and v? |

Soni said: (Nov 8, 2016) | |

I am not getting this answer. Please explain it. |

Dilhara said: (Feb 19, 2017) | |

What is u+v? Please explain it. |

Ramshya Fathima said: (May 16, 2017) | |

How we take b=180? I don't understand please explain anyone to know the answer. |

Saumya said: (Aug 13, 2017) | |

Relative speed means U-V but it is considering u+v. So, the given answer is wrong. |

Nur Alom said: (Aug 25, 2017) | |

The relative speed for opposite direction is u+v not u-v. |

Naeem said: (Sep 19, 2017) | |

@Dilhara. u+v relative speed in case of opp. direction. @Ramshya_Fathima b=180 is given in data. Check it. |

Sony Sharda said: (Mar 3, 2018) | |

How we take b=180? |

Deepanshu said: (Jun 4, 2018) | |

@Sony Sharda. B is the length of another train which is given in the question=180m. |

Jagannath said: (Sep 5, 2018) | |

Length of the train = speed* time. |

Shweta said: (Jan 23, 2019) | |

How come 125/3? Please explain. |

Sunitha said: (Mar 6, 2019) | |

@All. When you multiply 150*5/18 then you will get 125/3. |

Thanushree Y R said: (Sep 26, 2019) | |

I can't understand the solution of this problem. please anyone tell me in brief. |

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