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Beyond Horizon Set 1 Paper 2 · Q2

Paper 2Algebra

If mm men can do a job in dd days, then the number of days in which m+rm+r men can do the job is:

Ad+rd+r
Bdm+r\dfrac{d}{m+r}
Cdm−r\dfrac{d}{m-r}
Dmdm+r\dfrac{md}{m+r}

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