Q:

A) 50 m | B) 150 m |

C) 200 m | D) data inadequate |

Answer: B) 150 m

Explanation:

Explanation:

Let the length of the train be x metres and its speed be y m/sec.

Then, (x/y)= 15 y =(x/15)

(x+100)/25 = x/15

=> 15(x + 100) = 25x

=> 15x + 1500 = 25x

=> 1500 = 10x

=> x = 150 m.

2
821

Q:

A) 140 m | B) 240 m |

C) 160 m | D) 180 m |

9
1053

Q:

A) 10:00 | B) 11:00 |

C) 11:30 | D) 12:30 |

4
667

4
554

Q:

A) 12 kmph | B) 6 kmph |

C) 10 kmph | D) 8 kmph |

5
622

Q:

A) 280 km | B) 105 km |

C) 70 km | D) 140 km |

2
814

Q:

A) 62 kmph | B) 64 kmph |

C) 65 kmph | D) 70 kmph |

3
674

Q:

A) 75 kmph | B) 72 kmph |

C) 69 kmph | D) 66 kmph |

5
713