Ram and Menaka can complete a bridge in 84 and 108 days respectively. They completed the same bridge in 12 days with the help of Shyam. How many days will Shyam take to complete the bridge,if he works alone?
Ram and Menaka can complete a bridge in 84 and 108 days respectively. They completed the same bridge in 12 days with the help of Shyam. How many days will Shyam take to complete the bridge,if he works alone?
A$31 \frac{1}{4} \text{ days}$
B$18 \frac{2}{5} \text{ days}$
C$6\frac{48}{55} \text{ days}$
D$16 \frac{4}{47} \text{ days}$
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