Home
Class 8
MATHS
A cat sights a rat at a distance of 200 ...

A cat sights a rat at a distance of 200 m away from it and starts running towards it at 20 m/s. At this moment, the rat notices the cat and moves away from it at a speed of 15 m/s . After what time will the cat be able to catch the rat ?

A

20 s

B

40 s

C

60 s

D

80 s

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TIME AND DISTANCE

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application (Level 2 )|3 Videos
  • TIME AND DISTANCE

    PEARSON IIT JEE FOUNDATION|Exercise Test Your Concepts (Essay Type Questions)|5 Videos
  • STATISTICS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL II) |29 Videos
  • TIME AND WORK PIPES AND CISTERNS

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (LEVEL-3)|7 Videos
PEARSON IIT JEE FOUNDATION-TIME AND DISTANCE -Concept Application (Level 1 )
  1. If the time taken by a train, 170 m long, travelling at a certain spee...

    Text Solution

    |

  2. If a man ruas at 9 m/s , then what distance can he cover in 2 h 30 min...

    Text Solution

    |

  3. A policeman, travelling at 75 km/h chases a thief 1500 m away from hi...

    Text Solution

    |

  4. The ratio of the speeds of Amar and Akbar is 8 : 5 . If Akbar takes 1...

    Text Solution

    |

  5. A cat sights a rat at a distance of 200 m away from it and starts runn...

    Text Solution

    |

  6. A train travels for 12 h, the first half of the distance at 80 kmph an...

    Text Solution

    |

  7. Two persons A and B move towards each other from P and Q , respectivel...

    Text Solution

    |

  8. Two trains 150 m long and 250 m long are travel-ling at the speeds of ...

    Text Solution

    |

  9. A person takes 1 h more than that of his friend to reach a party. The...

    Text Solution

    |

  10. Travelling at 4/5 the of his usual speed, a man is 15 min late. What i...

    Text Solution

    |

  11. The average of the speed of the boat upstream and the speed of the b...

    Text Solution

    |

  12. A man can swim downstream at 10 km/h and upstream at 4 km/h .Find th...

    Text Solution

    |

  13. The speed of a boat upstream is 12km/h . If it can travel a distance o...

    Text Solution

    |

  14. A can covers 300 km at a constant speed. If its speed was 10 kmph mor...

    Text Solution

    |

  15. The sum of the times taken by train P and train Q to cross their own ...

    Text Solution

    |

  16. A man can row 20 kmph in still water. It takes him thrice as long to r...

    Text Solution

    |

  17. A person saves 5 min in covering a certain distance by increasing his...

    Text Solution

    |

  18. A train leaves Hyderabad at 5 a.m. and reaches Bangalore at 3 p.m....

    Text Solution

    |

  19. In a 100 m race, A beats B by 30 m, and in the same race B beats C by ...

    Text Solution

    |

  20. The speed of a boat downstream is 12 km/h and the speed of the boat up...

    Text Solution

    |