Direction: The following question is accompanied by two statements (I) and (II). You have to determine which statements(s) is/are sufficient/necessary to answer the questions.
Find the radius of the hemisphere.
Statement I. The volume of the sphere is 1/4 times the volume of hemisphere.
Statement II. The total surface area of hemisphere is thrice the surface area of sphere.1
The statement I alone is sufficient to answer the question, but the statement II alone is not sufficient.
2
The statement II alone is sufficient to answer the question, but the statement I alone is not sufficient.
3
Both the statements I and II together are needed to answer the question.
4
Either statement I alone or statement II alone is sufficient to answer the question.
5
Neither statement I nor statement II is sufficient to answer the question