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






2. Properties of 0






3. Simple probability






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






5. x^r/s = ?






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






7. Compound interest formula






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






9. How to find all divisors of a number






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






11. Combined Events: E and F






12. Sq. rt(2)






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






14. Combined Events: E or F






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






16. Three triangle length patterns






17. Compound interest rule






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






19. Multiplication principle






20. 5/6 = what %






21. 2nd Rule of Probability: P(E) = 1 - P(not E)






22. Average Rate: Average speed






23. 45-45-90 triangle basic lengths of sides






24. Formula for area of a Trapezoid






25. Work problem rule






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






27. Set Problems formula






28. 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?






29. How to check whether number is multiple of 9






30. 3rd Rule of Probability: Conditional Probability






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






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






33. Net






34. 4th rule of Probability






35. 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






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






37. Average Rate: Average A per B






38. Price purchased for by wholesaler






39. Multiples of 3






40. 3^3 x 4^3 = ?






41. gcd(m,n)






42. (1/4)^2






43. Intersecting Sets






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






45. Gross Profit formula






46. Volume of a sphere






47. 1/8 = what %






48. How do you multiply roots together.






49. 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






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