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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. 3rd Rule of Probability: Conditional Probability






2. 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?






3. 1/6 = what %






4. 4th rule of Probability






5. Multiplication principle






6. What to do with equations that have fractions






7. Gross






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






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






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






11. Sq. rt(2)






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






13. How do you multiply roots together.






14. 30-60-90 triangle basic lengths of sides






15. Simple probability






16. Intersecting Sets






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






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






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






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






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






22. 5/6 = what %






23. Sq. rt(3)






24. 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






25. Permutations: Order Matters






26. 1/8 = what %






27. Indistinguishable events how to find the number of permutations

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28. Price sold for by retailer (after markup)






29. How many liters of a solution that is 15% salt must be added to 5 liters of a solution that is 8% salt so that the resulting mixture is 10% salt?






30. Average Rate: Average A per B






31. Percent increase = ?






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






33. Probability and Geometry.






34. (1/4)^2






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






36. Combined Events: E and F






37. Price purchased for by wholesaler






38. Number added or deleted






39. 2n - 2n+2 - 2n+4






40. 45-45-90 triangle basic lengths of sides






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






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






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






44. How to check for a prime number.

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45. 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.






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






47. 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






48. Odd Factors






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






50. x^r/s = ?