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A can finish a piece of work in 12 days, while B can do it in 15 days. If both work together, what time will they take to do the work ? |
$\frac{15}{12}days$ $\frac{17}{3}days$ $\frac{20}{3}days$ $\frac{11}{3}days$ |
$\frac{20}{3}days$ |
Time taken by both of them to work together = \(\frac{ 60 }{ 9 }\) = \(\frac{ 20 }{ 3 }\) The correct answer is option (3) : $\frac{20}{3}days$ |
