Question

Three individuals, 'A', 'B', and 'C', are employed to complete a task. How many days will it take for 'A', 'B', and 'C' to finish the work together? Statement I:  'C' requires the same amount of time to complete the work as 'A' would if 'C' operates at 125% efficiency. 'B' can complete the task in 12 days, and 'A' and 'B' together finish it in 48/7 days. Statement II:  'A' can finish the task in 20 days when working at 80% efficiency, while 'B' requires 8 days less than 'C' to complete the task.

The question consists of two statements numbered "l and II "given below it. You have to decide whether the data provided in the statements are sufficient to answer the question.
A The data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient to answer the question.
B The data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
C The data either in statement I alone or in statement II alone are sufficient to answer the question.
D The data given in both statements I and II together are not sufficient to answer the question.
E The data in both statements I and II together are necessary to answer the question.
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