GMAT Practice Question Set #7 (Question 19-21)

Problem Solving Question #20: OG-215  
Time 0 0 : 0 0 : 0 0

OG #215, pg 183

Xavier, Yvonne, and Zelda each try independently to solve a problem. If their individual probabiltiies for success...

(A)

`11/8`

(B)

`7/8`

(C)

`9/64`

(D)

`5/64`

(E)

`3/64`

Video Explanation

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