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






2. 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






3. How do you multiply roots together.






4. 3rd Rule of Probability: Conditional Probability






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






6. Prime Factorization to find Greatest Common Factor






7. Gross






8. The average of consecutive numbers






9. x^r/s = ?






10. Three triangle length patterns






11. 2nd Rule of Probability: P(E) = 1 - P(not E)






12. Properties of 0






13. Probability and Geometry.






14. 5/6 = what %






15. Indistinguishable events how to find the number of permutations

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16. Price sold for by retailer (after markup)






17. When you see an equation in factored form in a question?






18. Percent Formula






19. Simple Interest formula (remember this is only the interest earned - not the total amount of money present in the bank after interest earned)






20. gcd(m,n)






21. Inscribed Angle - Minor Arc






22. Multiplication principle






23. 2n - 2n+2 - 2n+4






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






25. 0! = ?






26. Formula for area of a Trapezoid






27. Simple Interest Formula (remember this is the total amount of money in the bank after the interest is earned)






28. Average Rate: Average A per B






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






30. 30-60-90 triangle basic lengths of sides






31. How to find all divisors of a number






32. Number added or deleted






33. Sq. rt(2)






34. 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.






35. gcd(m,n)*lcm(m,n)






36. 2n+1 - 2n+3 - 2n+5






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






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






39. Multiples of 3






40. 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






41. Net






42. 45-45-90 triangle basic lengths of sides






43. Average Rate: Average speed






44. In general - medium questions require how many steps to solve?






45. Number of integers from A to B inclusive = B - A + 1 - How many consecutive integers are there from 73 through 419 - inclusive?






46. Sq. rt(3)






47. Always try to factor






48. Combined Events: E or F






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






50. 4th rule of Probability







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