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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. How to check whether number is multiple of 9






2. 3^3 x 4^3 = ?






3. Inscribed Angle - Minor Arc






4. Average Rate: Average A per B






5. Net






6. Multiples of 3






7. 30-60-90 triangle basic lengths of sides






8. Sum of consecutive numbers






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






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






11. Work problem rule






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






13. How to find all divisors of a number






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






15. Percent Formula






16. The average of consecutive numbers






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






18. Prime Factorization to find Greatest Common Factor






19. x^r/s = ?






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






21. (1/4)^2






22. 3rd Rule of Probability: Conditional Probability






23. Three triangle length patterns






24. Price sold for by retailer (after markup)






25. 4th rule of Probability






26. Odd Factors






27. Sq. rt(3)






28. 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.






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






30. Permutations: Order Matters






31. 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.






32. Intersecting Sets






33. How do you multiply roots together.






34. Percent increase = ?






35. 1/6 = what %






36. Always try to factor






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






38. Indistinguishable events how to find the number of permutations

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39. Average Rate: Average speed






40. Probability and Geometry.






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






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






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






44. Price purchased for by wholesaler






45. Combined Events: E and F






46. How to check for a prime number.

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






48. 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?






49. gcd(m,n)






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