# A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in

$\par&space;(A&space;+&space;B&space;+&space;C)'s&space;one&space;day's&space;work&space;=$  $\frac{1}{24}+\frac{1}{6}+\frac{1}{12}&space;=&space;\frac{7}{24}$

$\par&space;So,&space;A,&space;B&space;and&space;C&space;together&space;will&space;complete&space;the&space;job&space;in$ $\frac{24}{7}&space;=&space;3\frac{3}{7}$ $\par&space;days$