If George had 16 more textbooks, he would have three times as many textbooks as Ann does. Does George have more textbooks than Ann has?

(1) Ann has more than 5 textbooks

(2) George has fewer than 8 textbooks

This question can be done using algebra.

G + 16 = 3A

Statement (1):

If A = 6 then G = 2 (NO: George does not have more textbooks than Ann)

If A = 12 then G = 20 (YES: George have more textbooks than Ann)

Since we got a Yes and a No then means this statement is insufficient to give us a clear answer.

Statement (2): (Let us try to give George the maximum number of notebooks)

If G = 5 then A = 7 (NO: George does not have more textbooks than Ann)

Even after having maximum number of notebooks George has less notebooks than Anne, hence in every case George will have less notebooks than Anne. Hence the answer is (B)

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Pushpinder Gill