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| Official Guide to the GMAT 13th edition | Official Guide to the GMAT 2016 edition | Official Guide to the GMAT 2017 edition | Official Guide to the GMAT 2018 edition |
| Verbal questions, answers, and answer explanations | Verbal questions, answers, and answer explanations | Verbal questions, answers, and answer explanations | Verbal questions, answers, and answer explanations |
| Quant questions, answers, answer explanations | Quant questions, answers, answer explanations | Quant questions, answers, answer explanations | Quant questions, answers, answer explanations |