What is the rate of interest p.c.p.a.?

I. Simple interest earned in 3 years is Rs. X.

II. The amount increases by 80% in 5 years.

if the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question

if the data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question

if the data either in statement I alone or in statement II alone is sufficient to answer the question.

if the data in both the statements I and II together are not sufficient to answer the question.

if the data in both the statements I and II together are necessary to answer the question.