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






2. x^r/s = ?






3. How to find all divisors of a number






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






5. 2nd Rule of Probability: P(E) = 1 - P(not E)






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






7. Gross






8. 0! = ?






9. 1/8 = what %






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






11. Odd Factors






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






13. Permutations: Order Matters






14. Percent Formula






15. 2n - 2n+2 - 2n+4






16. Volume of a sphere






17. (1/4)^2






18. 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?






19. Inscribed Angle - Minor Arc






20. Odd and Even rule.






21. Percent increase = ?






22. 3rd Rule of Probability: Conditional Probability






23. Always try to factor






24. Sq. rt(3)






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






26. 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.






27. Multiples of 3






28. How to check whether number is multiple of 9






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






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






31. 45-45-90 triangle basic lengths of sides






32. Set Problems formula






33. Simple probability






34. Price sold for by retailer (after markup)






35. Prime Factorization to find Greatest Common Factor






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






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






38. 5/6 = what %






39. The average of consecutive numbers






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






41. Combined Events: E and F






42. Price purchased for by wholesaler






43. Average Rate: Average A per B






44. Properties of 0






45. 1/6 = what %






46. 2n+1 - 2n+3 - 2n+5






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






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






49. How do you multiply roots together.






50. gcd(m,n)