1. A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work ?
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By: anil on 05 May 2019 02.28 am
Work done by working together = $$frac{1}{12}+frac{1}{24}$$ = $$frac{2+1}{24}=frac{3}{24}=frac{1}{8}$$ $$ herefore$$ Time taken = $$frac{1}{frac{1}{8}}=8$$ days => Ans - (D)
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