Directions: The following question is accompanied by two statements (I), (II). You have to determine which statements(s) is/are sufficient/necessary to answer the questions.
What is the time P and Q to complete the work?
Statement I: P and R take 10 hours to complete the work.
Statement II: Q and R take 12 hours to complete the work.
1
Statement I alone is sufficient to answer the question but statement II alone is not sufficient.
2
Statement II alone is sufficient to answer the question but statement I alone is not sufficient.
3
Both statements I and statement II together are needed to answer the question.
4
Neither statement I and nor statement II is sufficient to answer the question.