If A and B together can finish a piece of work in 20 days, B and C in 10 days and C and A in 12 days, then A, B, C jointly can finish the same work in |
A) \[4\frac{2}{7}\,\,\text{days}\]
B) \[30\,\,\text{days}\]
C) \[8\frac{4}{7}\,\,\text{days}\]
D) \[\frac{7}{60}\,\,\text{days}\]
Correct Answer: C
Solution :
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