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






3. 30-60-90 triangle basic lengths of sides






4. Work problem rule






5. How to find the slope.






6. Compound interest formula






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






8. 0! = ?






9. 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?






10. Probability and Geometry.






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






12. 1/6 = what %






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






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






15. How to check whether number is multiple of 9






16. Volume of a sphere






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






18. How do you multiply roots together.






19. Average Rate: Average A per B






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






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






22. Multiples of 3






23. 3rd Rule of Probability: Conditional Probability






24. Odd Factors






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






26. Gross Profit formula






27. (1/4)^2






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






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






30. 2nd Rule of Probability: P(E) = 1 - P(not E)






31. 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.






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






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






34. 4th rule of Probability






35. Odd and Even rule.






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






37. 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






38. Indistinguishable events how to find the number of permutations

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39. 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.






40. How to check for a prime number.

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41. Multiplication principle






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






43. Combined Events: E and F






44. Net






45. gcd(m,n)






46. Price sold for by retailer (after markup)






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






48. Permutations: Order Matters






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






50. 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