GA Q4

Based on the given statements, select the most appropriate option to solve the given question. If two floors in a certain building are $9$ feet apart, how many steps are there in a set of stairs that extends from the first floor to the second floor of the building? Statements: Statements I alone is sufficient, but statement II alone is not sufficient. Statements II alone is sufficient, but statement I alone is not sufficient. Both statements together are sufficient, but neither statement alone is sufficient. Statements I and II together are not sufficient.