Solutions
Get detailed explanations to advanced GMAT questions.
Question
Sally gave some of her candy to her friends. How many pieces of candy did she have before giving any to her friends?
I. Sally gave each friend 8 pieces of candy
II. Sally had 7 pieces of candy left after giving candy to her friends.
Option A:
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
Option B:
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
Option C:
BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
Option D:
EACH statement ALONE is sufficient to answer the question asked.
Option E:
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
Difficulty Level
EasySolution
Option E is the correct answer.
Option Analysis
Statement I is insufficient: Sally gave each friend 8 pieces of candy. Clearly insufficient.
Statement II is insufficient: Sally had 7 pieces of candy left after giving candy to her friends. Also insufficient.
Together I and II, If Sally gave candy to 2 of her friends, then she had 7+2*8=22 pieces of candy but if she gave candy to 3 of her friends, then she had 7+3*8=31 pieces of candy. Not sufficient.
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