# Time and Distance

## Time and Distance

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Question 1 |

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

3.6 | |

7.2 | |

8.4 | |

10 |

Question 1 Explanation:

Speed = 600/(5 x 60)m/sec. = 2 m/sec.
Converting m/sec to km/hr = 2 x(18/5) km/hr = 7.2 km/hr.

Question 2 |

An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 5/2 hours, it must travel at a speed of ?

300 kmph | |

360 kmph | |

600 kmph | |

720 kmph |

Question 2 Explanation:

Distance = (240 x 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr.
Required speed =1200 x(3/5) km/hr = 720 km/hr.

Question 3 |

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is: ?

50 km | |

56 km | |

70 km | |

80 km |

Question 3 Explanation:

Let the actual distance travelled be x km.
Then, x/10 =(x + 20)/14
=>14x = 10x + 200
=> 4x = 200
=> x = 50 km.

Question 4 |

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is: ?

100 kmph | |

110 kmph | |

120 kmph | |

130 kmph |

Question 4 Explanation:

Let speed of the car be x kmph.
Then, speed of the train =(150/100)x =3/2 x kmph.
=>75/x - 75/(3/2)x = 125/(10 x 60)
=>75/x - 50/x= 5/24
=> x = (25 x24/5)= 120 kmph.

Question 5 |

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

9 | |

10 | |

12 | |

20 |

Question 5 Explanation:

Due to stoppages, it covers 9 km less.
Time taken to cover 9 km =(9/54)x 60min = 10 min.

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