(x-5)(x+10)(2x-5)
when we solve this ! we get x=5,-10,2.5
so we have two fav in the list and total is 12
please note 5 is not there in the list
probality of getting the eq=2/12=
1/6
OA B
Gmat Prep Probability?
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Source: Beat The GMAT — Problem Solving |












