Home
Class 14
MATHS
A class starts at 10 a.m. and lasts t...

A class starts at 10 a.m. and lasts till 1.27 p.m. Four periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is (a) 42 minutes (b) 48 minutes (c) 51 minutes (d) 53 minutes

A

42 minutes

B

48 minutes

C

51 minutes

D

53 minutes

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS EXERCISE -VII

    UPKAR PUBLICATION |Exercise QUESTION BANK|65 Videos

  • MISCELLANEOUS EXERCISE-VIII

    UPKAR PUBLICATION |Exercise QUESTION BANK|81 Videos

Similar Questions

Explore conceptually related problems

A squirrel starts climbing up a tree at the speed of 6metres a minute but after every 6 metres it slips down 4 metres in the next minute.It will be able to reach the top 120 metres high in ( a) 20 minutes (b) 60 minutes (c) 115 minutes (d) 1(1)/(2) hours

How much does a watch lose per day if its hands coincide every 64 minutes? (a) 37 minutes (b) 32(8)/(11)backslash m in utes (c) 31minutes (d) None

A movie started at 11:00 a.m. and ended at 2:15 p.m., including an interval of 15 minutes. Then the ratio of movie time (excluding interval) to interval is

There are two clocks, both set to show 10 pm on 21st January 2010. One clock gains 2 minutes in an hour and the other clock loses 5 minutes in an hour. Then by how many minutes do the two clocks differ at 4 pm on 22nd January 2010? (a) 126 minutes (b) 136 minutes (c) 96 minutes (d) 106 minutes

A , B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they meet again at the starting point? (a) 26 minutes 18 seconds (b) 42 minutes 36 seconds (c) 45 minutes (d) 46 minutes 12 seconds

Pipe A can fill an empty cistern in 6.8 hours. Pipe B can fill it up in 10.2 hours. Only Pipe B is turned on for 1.7 hours after which Pipe A is also turned on. How much time will it take in all to fill up the cistern? Options are (a) 5 hours 6 minutes (b) 5 hours 12 minutes (c) 5 hours 5 minute (d) 5 hours 10 minutes.

An office opens at 9 a.m.and closes at 5p.m. with a lunch interval of 30 minutes.What is the ratio of lunch interval to the total period in office?

An office opens at 9 a.m. and closes at 5.30 p.m. with a lunch break of 30 minutes. What is the ratio of lunch break to the total period in the office?

UPKAR PUBLICATION -MISCELLANEOUS EXERCISE-IV-QUESTION BANK
  1. A 63 cm long wire is to be cut into two pieces such that one piece wil...

    Text Solution

    |

  2. A bus goes from A to B at the rate of 30 kmph and from B to A at the r...

    Text Solution

    |

  3. A class starts at 10 a.m. and lasts till 1.27 p.m. Four periods are...

    Text Solution

    |

  4. The average of first nine multiples of 3 is

    Text Solution

    |

  5. The mean proportional of 0cdot32 and 0cdot02 is-

    Text Solution

    |

  6. A third of Aruns marks in Mathematics exceeds a half of his marks i...

    Text Solution

    |

  7. There are 20 students with an average height of 125 cm in a class. 5 s...

    Text Solution

    |

  8. The smallest number which when divided by 10,15,20 and 35 leaves 6,11,...

    Text Solution

    |

  9. One-third of the boys and one-half of the girls of a college partic...

    Text Solution

    |

  10. A jar full of whisky contains 40% alcohol. A part of this whisky is re...

    Text Solution

    |

  11. 60% of the length of a pole is painted red, 40% of the rest is painted...

    Text Solution

    |

  12. A train X starts from Meerut at 4 p.m. and reaches Ghaziabad at 5 p...

    Text Solution

    |

  13. A person gave Rs. 2500 to his eldest son, 5/12 of the whole property t...

    Text Solution

    |

  14. 20 litres of a mixture contains milk and water in the ratio 5:3 . If 4...

    Text Solution

    |

  15. A milkman procures milk at the rate of Rs. 4cdot50 per litre and sells...

    Text Solution

    |

  16. A man distributed Rs. 100 equally among his friends. If there had been...

    Text Solution

    |

  17. A man completes a journey in 8 hours. He covers half the distance at 4...

    Text Solution

    |

  18. The ratio of a 2-digit number to the sum of its digits is 7: 1. If the...

    Text Solution

    |

  19. A train covers four successive two km stretches at speeds of 10 kmph, ...

    Text Solution

    |

  20. A sum of money deposited at compound interest amounts to Rs. 6690 afte...

    Text Solution

    |