Question

How many days did Raju take to complete his assignment?
I. Mohit correctly remembers that Raju took more than 3 days and less than 9 days to complete his assignment
II. Mina correctly remembers that Raju took more than 7 days less than 11 days to complete his assignment.

• A. The data in statement I alone is sufficient t6 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 the statements I and II together are not sufficient to answer the question
  
• E. The data in both the statements I and II together are necessary to answer the question.

Answer 1

The correct option is E The data in both the statements I and II together are necessary to answer the question.

I. Raju can take 4 to 8 days to complete the work.
II. Raju can take 8 to 10 days to complete the work. Using both the statements together we can determine that Raju took 8 days to complete the work.