Home
Class 7
MATHS
A multistorey building has 25 floors abo...

A multistorey building has 25 floors above the ground level each of height 5m. It also has 3 floors in the basement each of height 5m. A lift in building moves at a rate of 1m/s. If a man starts from 50m above the ground, how long will it take him to reach at 2nd floor of basement?

Promotional Banner

Topper's Solved these Questions

  • INTEGERS

    NCERT EXEMPLAR|Exercise (D) APPLICATION (Puzzle)|5 Videos
  • INTEGERS

    NCERT EXEMPLAR|Exercise THINK AND DISCUSS|13 Videos
  • INTEGERS

    NCERT EXEMPLAR|Exercise VOCOBULARY|5 Videos
  • FRACTIONS AND DECIMALS

    NCERT EXEMPLAR|Exercise EXERCISE (FIND THE ERROR)|3 Videos
  • LINES AND ANGLES

    NCERT EXEMPLAR|Exercise Exercise (fill in the blanks) |3 Videos

Similar Questions

Explore conceptually related problems

A multi storey building has 35 floors above the ground level each of height 7.5 m. It also has 3 floors in the basement each of height 5 m. A lift in building moves at a rate of 1 m/s. If a man starts from 50 m above the ground, how long will it take him to reach at 3rd floor of basement? A. 40 sec B. 65 sec C. 68 sec D. 32 sec

An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 20 m above the ground level, how long will it take to reach 370 m ?

An elevator descends into a mine shaft at the rate of 6min. If the descent starts from 10m above the ground level,how long will it take to reach 350m.

An elevator descends into a mine shaft at the rate of 7.5 m/minute. If it descends from 35 m above ground, how long will it take to reach the mine that is 430 m below ground ?

A person holds on a weight of 10 kg at a height of 5m above the ground for 5 minutes. Work done by him is

An object takes 5 s to reach the ground from a height of 5 m on a plant. What is the value of g on the plant ?

An elevator is 25m below the ground level and it ascends at the rate of 5(m)/(min). Find the time takenby it to reach 50m above the ground.

NCERT EXEMPLAR-INTEGERS-(C) EXERCISE
  1. The table given below shows the elevations relative to sea level of fo...

    Text Solution

    |

  2. You are at an elevation 380 m above sea level as you start a motor rid...

    Text Solution

    |

  3. Evaluate the following, using distributive property. -39xx99

    Text Solution

    |

  4. Evaluate the following, using distributive property. (-85)xx43+43xx9...

    Text Solution

    |

  5. Evaluate the following, using distributive property. 53xx(-9)-(-109)...

    Text Solution

    |

  6. Evaluate the following, using distributive property. 68xx(-17)+(-68)...

    Text Solution

    |

  7. If ** is an operation such that for integers a and b we have a**b=...

    Text Solution

    |

  8. If ** is an operation such that for integers a and b we have a**b=...

    Text Solution

    |

  9. If Delta is an operation such that for integers a and b we have aDe...

    Text Solution

    |

  10. Below u, v, w and x represent different integers, where u = –4 and x n...

    Text Solution

    |

  11. Height of a place A is 1800 m above sea level. Another place B is 700 ...

    Text Solution

    |

  12. The given table shows the freezing points in 0F of different gases at ...

    Text Solution

    |

  13. Sana and Fatima participated in an apple race. The race was conducted ...

    Text Solution

    |

  14. A green grocer had a profit of RS 47 on Monday, a loss of Rs 12 on Tue...

    Text Solution

    |

  15. In a test, +3 marks are given for every correct answer and –1 mark are...

    Text Solution

    |

  16. In a test, +3 marks are given for every correct answer and –1 mark are...

    Text Solution

    |

  17. In a true-false test containing 50 questions, a student is to be award...

    Text Solution

    |

  18. A multistorey building has 25 floors above the ground level each of he...

    Text Solution

    |

  19. Taking today as zero on the number line, if the day before yesterday i...

    Text Solution

    |

  20. The highest point measured above sea level is the summit of Mt. Everes...

    Text Solution

    |