GMAT Challenge Problem 1: Probability

Mark Skoskiewicz February 10, 2012 3:54:00 AM CST

Probability Quant Challenge Problem GMAT prep GMAT GMAT Blog

Suppose we roll three fair dice - a red die, a yellow die, and a blue die. What is the probability the the sum of the upturned faces on the red and yellow die is smaller than the upturned face on the blue die?

A. 10/33

B. 5/54

C. 7/72

D. 1/3

E. 11/24

GMAT Challenge Problem 1: Probability

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