THE CORRECT ANSWER IS (A). STATEMENT (1) ALONE SUFFICES TO ANSWER T...
9. The correct answer is (A). Statement (1) alone suffices to answer the question. You
can determine the sum of the numbers in a set by multiplying their average by the
number of terms in the set. The information in statement (1) allows you to calculate the
sum: 9
3
5
5
45. Statement (2) alone provides no information about the values of the
three middle terms and thus is insufficient alone to determine the sum.