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GMAT Quantitative General

Subjects : gmat, math
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Sum of consecutive numbers






2. How to check for a prime number.

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3. Prime Factorization to find Greatest Common Factor






4. Think of averages as what? The average of 3 - 4 - 5 - and x is 5. What is x? 3 is 2 less than 5 4 is 1 less than 5 - 5 is the average - x = 5 + 3 = 8






5. Odd Factors






6. Indistinguishable events how to find the number of permutations

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7. (1/4)^2






8. Compound interest rule






9. Percent Formula






10. Gross






11. 5/6 = what %






12. 1. A and B < A or B 2. A or B > Individual probabilities of A - B 3. P(A and B) = P(A) x P(B) <-- 'fewer options' 4. P(A or B) = P(A) + P(B) <-- 'more options' - Probability of multiple events rules.






13. Permutations: Order Matters






14. To determine multiple-event probability where each individual event must occur in a certain way.






15. 4th rule of Probability






16. To determine the number of integers less than 5000 that are evenly divisible by 15...?






17. Circular permutation: The number of ways to arrange n distinct objects along a fixed circle is?






18. 2nd Rule of Probability: P(E) = 1 - P(not E)






19. Multiplication principle






20. Compound interest formula






21. x^r/s = ?






22. How to check whether a number is a multiple of 4.






23. 3^3 x 4^3 = ?






24. How many liters of a solution that is 10% alcohol by volume must be added to 2 liters of a solution that is 50% alcohol by volume to create a solution that is 15% alcohol by volume?






25. Properties of 0






26. 1/6 = what %






27. If you have to guess in a problem - which ones should you guess? Especially if you have to plug numbers.






28. Set Problems formula






29. What to do with equations that have fractions






30. How to check whether number is multiple of 9






31. Sq. rt(2)






32. How to check whether a number is a multiple of 6






33. Odd and Even rule.






34. Triangle abc with d on the outside with a line. What does d = ?






35. Three triangle length patterns






36. Formula for Mixed Group problems (involving Both/Neither)






37. 1/8 = what %






38. The average of 5 numbers is 2. After one number is deleted - the new average is -3. What number was deleted?






39. Percent increase = ?






40. Some GMAT word problems involve groups with distinct 'either/or' categories (male/female - blue collar/white collar - etc.) The key is to do what with the information? 1. Find total number of possible outcomes. 2. Find the number of desired outcomes.






41. If $10 -000 is invested at 10% annual interest - compounded semi-annually - what is the balance after 1 year?






42. Gross Profit formula






43. Since Mieko's average speed was 3/4 of Chan's - her time was 4/3 as long.






44. Combined Events: E and F






45. Number added or deleted






46. The number of ways independent events can occur together.






47. 2n - 2n+2 - 2n+4






48. Quadratic formula






49. Intersecting Sets






50. Dependent events: When are two events said to be dependent events?