Home
Class 14
MATHS
If the two incorrect watches are set at ...

If the two incorrect watches are set at 12 : 00 noon at correct time, when will both the watches show the correct time for the first time given that the first watch gains 1 min in 1 hour and second watch loses 4 min in 2 hours :

A

6 pm, 25 days later

B

12:00 noon, 30 days later

C

12 noon, 15 days later

D

6 am 45 days later

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TIME, SPEED AND DISTANCE

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

  • TIME, SPEED AND DISTANCE

    DISHA PUBLICATION|Exercise PRACTICE EXERCISE (Standard Level)|63 Videos

  • TIME AND WORK

    DISHA PUBLICATION|Exercise Test Yourself|15 Videos

  • TRIGONOMETRY AND ITS APPLICATIONS

    DISHA PUBLICATION|Exercise Practice Exercise (Foundation Level)|18 Videos

Similar Questions

Explore conceptually related problems

A man with a wrist watch on his hands fall from the top of a tower. Does the watch give correct time?

In every 30 minutes the time of a watch increases by 3 minutes. After setting the correct time at 5 a.m. what time will the watch show after 6 hours ?

The time by my watch is 10 minutes to 7, find the angle between the hour hand and the minute hand.

Two clocks are set correctly at 9 a.m. on Monday. Both the clocks gain 3 minutes and 5 minutes respectively in an hour. What time will the second clock register if the first clock which gains 3 minutes in an hour shows the time as 27 minutes past 6 p.m. on the same day ?

DISHA PUBLICATION-TIME, SPEED AND DISTANCE-PRACTICE EXERCISE (Expert Level)
  1. In a circus there was a leopard and a tiger walking in the two differe...

    Text Solution

    |

  2. Arti and Barkha start swimming towards each other from the deep end an...

    Text Solution

    |

  3. If the two incorrect watches are set at 12 : 00 noon at correct time, ...

    Text Solution

    |

  4. Ramu purchased a second hand Swiss watch which is very costly. In this...

    Text Solution

    |

  5. Kumbhakarna starts sleeping between 1 am and 2 am and he wakes up when...

    Text Solution

    |

  6. In a day how many times the minute-hand and hour-hand are opposite to ...

    Text Solution

    |

  7. Progressive express left for New Delhi, increasing its speed in each h...

    Text Solution

    |

  8. Two rifles are fired from the same palce at a difference of 11 min. 45...

    Text Solution

    |

  9. Two people A and B start from P and Q (distance = D) at the same time ...

    Text Solution

    |

  10. X and Y start walking towards each other at 8 : 00 am at the speeds of...

    Text Solution

    |

  11. From stations M and N ,two trains start moving towards each other at s...

    Text Solution

    |

  12. Shantanu drives a motorcycle and covers a distance of 715 km at a cons...

    Text Solution

    |

  13. A train leaves station A at 5 AM and reaches station B at 9 AM on the ...

    Text Solution

    |

  14. A train covers certain distance between two places at a uniform speed....

    Text Solution

    |

  15. A man swimming in a stream which flows 1(1)/(2) km/hr finds that in a ...

    Text Solution

    |

  16. In a 400 metres race, A gives B a start of 5 seconds and beats him by ...

    Text Solution

    |

  17. The speeds of three cars are in the ratio 2 : 3: 4. The ratio between ...

    Text Solution

    |

  18. Anand travelled 300 km by train and 200 km by taxi. It took him 5 h an...

    Text Solution

    |

  19. A boat takes 19 h for travelling downstream from point A to point B an...

    Text Solution

    |

  20. A car travels 25 km/h faster than a bus for a journey of 500 km. If th...

    Text Solution

    |