The following question contains a question and two statements giving certain information. Decide whether the information given in statements are sufficient for answering the question.
Has decline in infant mortality rate increased the life-span of human beings?
- The average life-span of tribals is 85 years.
- Woman outlive men in younger age-groups.
if the statement I alone sufficient to answer.
if statement II alone is needed.
if both statements I and II are needed.
if both statements I and II are not sufficient to answer the question.
None of the statements contains adequate information to answer the question.