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mrinal2100
- Senior | Next Rank: 100 Posts
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- Joined: Wed Jun 25, 2008 9:33 pm
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No, it is not necessary, though these materials are a useful source to practice all the topics covered in the GMAT, the difficulty level is grossly different.
You may refer to likes of RS Agarwal, RD sharma etc , which are a lil easier to digest.
