21 .
A train 240 m in length crosses a telegraph post in 16 seconds. The speed of the train is?

A. | 50 kmph | B. | 52 kmph |

C. | 54 kmph | D. | 56 kmph |

22 .
The speed of a car is 90 km in the first hour and 60 km in the second hour. What is the average speed of the car?

A. | 72 kmph | B. | 75 kmph |

C. | 30 kmph | D. | 80 kmph |

23 .
Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual time?

A. | 35 min | B. | 30 min |

C. | 25 min | D. | 20 min |

24 .
If a man walks to his office at ¾ of his usual rate, he reaches office 1/3 of an hour late than usual. What is his usual time to reach office?

A. | 1 hour | B. | 2 hour |

C. | 3 hour | D. | 4 hour |

25 .
Walking 7/6 of his usual rate, a boy reaches his school 4 min early. Find his usual time to reach the school?

A. | 25 min | B. | 26 min |

C. | 27 min | D. | 28 min |

Loading...