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    Time and Work & Wages

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    nandu

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    Posts : 8
    Join date : 2011-05-03
    Age : 34
    Location : Chennai

    Time and Work & Wages

    Post  nandu on Tue May 17, 2011 2:45 pm

    8 women and 3 boys can complete piece of a work in 15 days.
    In how many days will 12 women and 2 boys complete the same piece of work?

    Options:

    1.12 2. 8 3. 6 4. cannot be determined. 5. none
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    Abhishek

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    Posts : 547
    Join date : 2011-04-08
    Age : 29
    Location : Kolkata

    Re: Time and Work & Wages

    Post  Abhishek on Tue May 17, 2011 5:55 pm

    nandu wrote:8 women and 3 boys can complete piece of a work in 15 days.
    In how many days will 12 women and 2 boys complete the same piece of work?

    Options:

    1.12 2. 8 3. 6 4. cannot be determined. 5. none


    There is a formula for solving such problems -

    If a men and b women can do a piece of work in n days then c men and d women can do the same piece of work in :


    Here

    n = 15

    a = 8

    b = 3

    c = 12

    d = 2


    Hence applying the formula we get :

    15* 8* 3 / (12*3 + 8*2 )

    =>360 / 52

    =>60/7 days

    8.xxxx

    Make this formula as a thumbrule for solving such problems...

    Similar formulas exists for a men or b women type problems . I will request U to pour in such questions here in this thread.....


    narendaz

    Forum Member

    Forum Member

    Posts : 1
    Join date : 2011-10-28

    सर =>360 / 52 =>60/7 days कैसे हो गये है

    Post  narendaz on Fri Oct 28, 2011 2:33 pm

    Abhishek wrote:
    nandu wrote:8 women and 3 boys can complete piece of a work in 15 days.
    In how many days will 12 women and 2 boys complete the same piece of work?

    Options:

    1.12 2. 8 3. 6 4. cannot be determined. 5. none


    There is a formula for solving such problems -

    If a men and b women can do a piece of work in n days then c men and d women can do the same piece of work in :


    Here

    n = 15

    a = 8

    b = 3

    c = 12

    d = 2


    Hence applying the formula we get :

    15* 8* 3 / (12*3 + 8*2 )

    =>360 / 52

    =>60/7 days

    8.xxxx

    Make this formula as a thumbrule for solving such problems...

    Similar formulas exists for a men or b women type problems . I will request U to pour in such questions here in this thread.....


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