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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. Sq. rt(3)






2. The average of consecutive numbers






3. Gross Profit formula






4. (1/4)^2






5. Volume of a sphere






6. Probability and Geometry.






7. x^r/s = ?






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






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






10. Net






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






12. 45-45-90 triangle basic lengths of sides






13. Always try to factor






14. In general - difficult questions require how many steps to solve?






15. Formula for area of a Trapezoid






16. Set Problems formula






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






18. gcd(m,n)






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






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






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






22. Compound interest formula






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






24. How to check whether number is multiple of 9






25. 1/8 = what %






26. 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






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






28. Gross






29. Combined Events: Not E = P(not E) = ?






30. How do you multiply roots together.






31. Prime Factorization to find Greatest Common Factor






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






33. 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.






34. Multiples of 3






35. 2n+1 - 2n+3 - 2n+5






36. 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.






37. 4th rule of Probability






38. 2nd Rule of Probability: P(E) = 1 - P(not E)






39. What to do with equations that have fractions






40. Indistinguishable events how to find the number of permutations

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41. Number added or deleted






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






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






44. Permutations: Order Matters






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






46. Percent Formula






47. Work problem rule






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






49. 0! = ?






50. How to find all divisors of a number