rechaelirungu72 rechaelirungu72

23-09-2020
Mathematics

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Man A can dig a trench in 60hrs man B can do it in 48hrs and man C can take 50hrs to dig same trench .How long will it take C to finish it by himself if he starts when A and B had done it for 12hrs? it

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bsbaldev1993 bsbaldev1993

23-09-2020

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if if ab BCD find a 130 and 110 degree

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