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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. Number added or deleted






2. 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.






3. How to check whether a number is a multiple of 12.






4. 4th rule of Probability






5. What does the Sum of the angles in a Regular Polygon formula look like?






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






7. Combined Events: E or F






8. x^r/s = ?






9. The number of outcomes that result in A divided by the total number of possible outcomes.






10. Trial Problems: look at the probability of NOT OCCURRING






11. Sum of consecutive numbers






12. 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.






13. Probability and Geometry.






14. 1/6 = what %






15. Three triangle length patterns






16. 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?






17. Gross Profit formula






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






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






20. Prime Factorization to find Greatest Common Factor






21. Average Rate: Average speed






22. Price purchased for by wholesaler






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






24. How to check whether number is multiple of 9






25. Compound interest formula






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






27. 1/8 = what %






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






29. How to find all divisors of a number






30. Sq. rt(3)






31. 2n - 2n+2 - 2n+4






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






33. Intersecting Sets






34. Simple probability






35. Sq. rt(2)






36. Always try to factor






37. Properties of 0






38. Formula for area of a Trapezoid






39. Lowest Common Multiple 60: 2 x 2 x 3 x 5 - 72: 2 x 2 x 2 x 3 x 3 - LCM: 2 x 2 x 2 x 3 x 3 x 5






40. Quadratic formula






41. Price sold for by retailer (after markup)






42. Combined Events: E and F






43. Percent Formula






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






45. Average Rate: Average A per B






46. Permutations: Order Matters






47. Odd and Even rule.






48. 0! = ?






49. How to check whether a number is a multiple of 3.






50. 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







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