GMAT Quantitative Reasoning Practice Test 1

Question : 98 of 100

Marks: +1, -0

The odds of winning first prize at the casino are 1 to 200 . The odds of winning second prize are 1 to 100 and of winning third prize are 1 to 50 . If no one person can win more than one of the prizes, what is the probability of not winning the first, second or third prize?

$14 \/ 200$
$47 \/ 50$
$193 \/ 200$
$7 \/ 200$
$97 \/ 200$

Validate

Solution:

Calculate the odds of not winning first, second or third prize by deducting the chances of winning first, second or third from 1 :

1- (\;{1}/{200}+\;{1}/{100}+\;{1}/{50}) =\;{193}/{200}

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