Helps students master 15 math subjects through practicing and solving problems. The solutions tutor the student’s work, while the hints save the student valuable study time and improve their understanding of mathematical concepts. For students, its serves as an excellent preparation for the GMAT; for teachers it is great for lesson exercises and homework assignments using the copy, paste, print, and e-mail functions.

The quantitative section of the GMAT measures basic mathematical skills, understanding of elementary concepts and the ability to reason quantitatively, solve quantitative problems, and interpret graphic data.

The multiple choice Problem Solving and Data Sufficiency types are intermingled throughout the 37 questions that you need to solve in 75 minutes.

This Official Guide from GMAT outshines all others, simply because the questions are chosen from actual past tests and are very thoroughly researched. Equally important the answer choices for each question are also well thought out and both the correct and the incorrect choices reflect actual test patterns. The explanations for the answers in the Official Guide are crystal clear and very insightful.
The rules of grammar on which the GMAT Sentence Correction questions are based are best outlined in this guide. The section on Arguments is simply outstanding.

The GMAT sentence correction section is about your ability to recognize the various elements of a GMAT sentence, elements such as 'dependent' and 'independenet clauses', qualifiers, subject and verb in the various clauses, and to make sure that the elements are logically, correctly, concisely, effectively, and correctly used to express an idea or a thought.