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The sum of positive integers x and y is 77. What is value of xy?

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by BTGmoderatorDC » Mon Apr 10, 2023 2:51 am

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The sum of positive integers x and y is 77. What is value of xy?

(1) x = y + 1
(2) x and y have the same tens digit.


OA D

Source: GMAT Prep
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