From stem we get
2m +1 = n + 2
2m - n = 1
From stmt 1 we get n = 3 ..hence we can find m and hence m + n
Hence Knock of BCE left with AD
From stmt 2 m n cud be 2 ,3 or 4,2 inconclusive no unique answer
Hence A
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Source: Beat The GMAT — Data Sufficiency |
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sujaysolanki
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