GMAT Question of the Day (Dec 10): Word Problem and Sentence Correction

Math (PS)

The price of a certain commodity increased at a rate of $X$ % per year between 2000 and 2004. If the price was $M$ dollars in 2001 and $N$ dollars in 2003, what was the price in 2002 in terms of $M$ and $N$ ?

(A) $\sqrt{MN}$
(B) $N\sqrt{\frac{N}{M}}$
(C) $N\sqrt{M}$
(D) $N\frac{M}{\sqrt{N}}$
(E) $NM^{\frac{3}{2}}$

OA and Explanation

Verbal (SC)

Dr. Hegsted argues that just as polio vaccine is given to every person to protect the few who might actually contract polio, mass dietary change is needed to protect the significant number who are susceptible to the life-threatening effects of press eating habits.

(A) just as polio vaccine is given to every person to protect the few who might actually contract polio
(B) like polio vaccine, which is given to every person to protect the few who might contract polio
(C) similar to polio vaccine which is given to every person to protect the few who might actually contract polio
(D) while, to protect the few who might actually contract polio, polio vaccine is given to every person
(E) similar to the giving of polio vaccine to every person in order to protect the few who might contract polio actually

OA and Explanation

GMAT Question of the Day (Dec 10): Word Problem and Sentence Correction

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