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Aptitude - Aptitude-Time And Works

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 For Rs. 529 A, B and C are employed to do a piece of work . To finish 19/23 of the work together  A and C are supposed . How much shall be paid to B ?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    Work done by B = 1 - (19/23) = 4/23
    (A + C) : B = (19/23) : (4/23) = 19:4
    Bs share = RS.529*(4/23) = 92

 Between two given stations A can lay railway track in 16 days and B can do the same job With the help of C in 12 days, they did the job in 4 days only. Then, C alone can do the job in ?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    (A+B+C)\\\'s 1 day\\\'s work    = 1/4
    A\\\'s 1 day\\\'s work    = 1/16
    B\\\'s 1 day\\\'s work    = 1/12
    C\\\'s 1 day\\\'s work    = 1/4-(1/16+1/12)
    = (1/4 - 7/48)
    = 5/48.
    So,C alone can do the work in 48/5    =9x3/5 days.

 B can do the same such as A can finish a work in 18 days in half the time taken by A. working together Then, what part of the same work they can finish in a day?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    A\\\'s 1 day\\\'s work    = 1/18
    and B\\\'s 1 day\\\'s work    = 1/9
    (A+B)\\\'s 1 day\\\'s work    = (1/18+1/9)
    = 1/6

10 men and 15 women together can complete a work in 6 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work?

  • a
  • b
  • c
  • d
  • OOPS, your answer is incorrect

    1 man\'s 1 day\'s work     = 1/100.
    10 men + 15 women)\'s 1 day\'s work    = 1/6
    15 women\'s 1 day\'s work,    = (1/6-10/100)
    =(1/6-1/10)
    = 1/15.
    1 woman\'s 1 day\'s work     = 1/225.
    1 woman alone can complete the work in 225 days.

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