Home
Class 14
MATHS
Reena, Aastha and Shloka can independent...

Reena, Aastha and Shloka can independently complete a piece of work in 6 hours, 4 hours and 12 hours respectively. If they work together, how much time will they take to complete that piece of work? `2\ hou r s` b. `5\ hou r s` c. `6\ hou r s` d. `\ hou r s` e. none of these

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • TIME AND DISTANCE

    RS AGGARWAL|Exercise All Questions|210 Videos

  • TRUE DISCOUNT

    RS AGGARWAL|Exercise All Questions|26 Videos

Similar Questions

Explore conceptually related problems

A B and C can complete a piece of work in 24, 6 and 12 days respectively. They will complete the same work in :

If A,B and C can respectively complete a piece of work in 20,24 and 36 days respectively .how many days will they take to complete the work, if they work together?

Tushar takes 6 hours to complete a piece of work, while Amar completes the same work in 10 hours. If both of them work together, then what is the time required to complete the work?

Two men can do a piece of work in 6 hours and 4 hours respectively.After the first has worked for 2 hours,he is joined by the other.By when should the work be completed?

RS AGGARWAL-TIME AND WORK-All Questions
  1. George takes 8 hours to copy a 50-page manuscript while Sonia can c...

    Text Solution

    |

  2. A and B together complete a piece of work in T days. If A alone comple...

    Text Solution

    |

  3. Reena, Aastha and Shloka can independently complete a piece of work...

    Text Solution

    |

  4. A man can do a job in 15 days. His father takes 20 days and his son fi...

    Text Solution

    |

  5. Amit and Sumit can plough a field in 4 days. Sumit alone can plough th...

    Text Solution

    |

  6. Two spinning machines A and B can together produce 3,00,000 metres ...

    Text Solution

    |

  7. A can lay railway track between two given stations in 16 days and B...

    Text Solution

    |

  8. A can complete 1/3 of a work in 5 days and B, 2/5 of the work in 10 da...

    Text Solution

    |

  9. X can do 1/4 of a work in 10 days, Y can do 40% of the work in 40 days...

    Text Solution

    |

  10. A man and a boy together can do a certain amount of digging in 40 d...

    Text Solution

    |

  11. A takes twice as much time as B or thrice as much time as C to fini...

    Text Solution

    |

  12. Work done by A in one day is half of the work done by B in one day. Wo...

    Text Solution

    |

  13. Rosa can eat 32 rosogollas in one hour. Her sister Lila needs three ho...

    Text Solution

    |

  14. A conveyor belt delivers baggage at the rate of 3 tons in 5 minutes...

    Text Solution

    |

  15. A manufacturer builds a machine which will address 500 envelopes in ...

    Text Solution

    |

  16. Computer A takes 3 minutes to process an input while computer B tak...

    Text Solution

    |

  17. Bob and David are two typists. One afternoon, they were each given ...

    Text Solution

    |

  18. P, Q and R are three typists who working simultaneously can type 21...

    Text Solution

    |

  19. Ronald and Elan are working on an assignment. Ronald takes 6 hours to ...

    Text Solution

    |

  20. Cloth Makers Inc. has p spindles, each of which can produce q metres...

    Text Solution

    |