moskalenko

GMAT Problem of the Week. Issue#19

Which of the following sets has/have the same standard deviation as the set {r, s, t}?

I.      {r  nxscrapbook.com 1, s 1, t  1}

II.    { | r |, | s |, | t | }

III.     { r, s, r s – t }

(A)     I only

(B)     II only

(C)     III only

(D)     I and II only

(E)     I and III only

moskalenko

GMAT Problem of the Week. Issue#17

What is the total cost of one rose, one tulip, and one lily, in dollars?

(1) One rose, two Gambling tulips, and three lilies cost a total of 20$.
(2) One rose, three tulips, and five lilies cost a total of 32$.
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A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

nesheret

GMAT Problem of the Week. Issue#4

In Asia a lot of people suffer an allergic reaction to certain enriched flour, including the one that is added to noodles as appetizers. However, as there are several noodle makers who add enriched flour to none of the noodles they produce, people who would like to eat noodles but are allergic to enriched flour can eat noodles produced by these noodle makers without risking an allergic reaction to enriched flourDisney Fairies 5 en 1 Combo. Continue reading

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