Select the option that does NOT belong in the following figure series.
The given Problem Figure is embedded in one of the given Answer Figures. Which is that Answer Figure?
Solve the following: 252 ÷ [51 - {27 - (9 - (\(\overline{8+7}\)))}] = ?
A and B can complete a task together in 35 days. If A works alone and completes \( \frac{5}{7} \) of the task and then leaves the rest for B to complete by herself, it will take a total of 90 days to complete the task. How many days would it take A, the more efficient among the duo, to complete the entire work by herself?