Question

A, B and C take 3 days, 4 days and 6 days respectively to complete a work. How long will they take to complete the work, if they work together?
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Answer 1

Answer:

They will take 32 hours to complete the work

Explanation

Total time they will take –

$\frac{1}{3} + \frac{1}{3} + \frac{1}{6} = \frac{9}{12} \\ \\ = \frac{12}{9} days \\ = > in \: hours = \frac{12}{9} \times 24 \\ \\ = 32 \: hours$