Q:

A) 60 | B) 62 |

C) 64 | D) 65 |

Answer: B) 62

Explanation:

Explanation:

Relative speed =280/9 m / sec = (280/9*18/5) kmph = 112 kmph.

Speed of goods train = (112 - 50) kmph = 62 kmph.

1
458

2
458

Q:

A) 2 hours | B) 6 hours |

C) 3 hours | D) 4 hours |

1
387

0
410

Q:

A) 245 and 54 | B) 255 and 40 |

C) 255 and 36 | D) 245 and 45 |

0
404

Q:

A) 5.76 m/s | B) 7.76 m/s |

C) 6.76 m/s | D) 4.76 m/s |

0
382

1
367

Q:

A) 140 km/h | B) 105 km/h |

C) 70 km/h | D) 280 km/h |

0
405