Question

If one man completes a work in five days and another man on ten days, how many days will they take together

Answer 1

1st man :

days taken to complete a work = 5 days

one day work = 1/5

2nd man :

days taken to complete a work = 10 days

one day work = 1/10

So, total work done by both men together = (1/5) + (1/10) = 3/10

∴ days taken by them to complete the work = 10/3 days = 3 days 8 hours

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