## Test your basic knowledge |

# GMAT Quantitative General

**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. gcd(m,n)**

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

**3. 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.**

**4. Inscribed Angle - Minor Arc**

**5. Probability and Geometry.**

**6. x^r/s = ?**

**7. 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?**

**8. 45-45-90 triangle basic lengths of sides**

**9. How to check whether number is multiple of 9**

**10. 1/8 = what %**

**11. Sq. rt(2)**

**12. How to check whether a number is a multiple of 3.**

**13. Permutations: Order Matters**

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

**15. Indistinguishable events how to find the number of permutations**

**16. Always try to factor**

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

**18. 2n - 2n+2 - 2n+4**

**19. 2n+1 - 2n+3 - 2n+5**

**20. Quadratic formula**

**21. 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?**

**22. Odd and Even rule.**

**23. How to check whether a number is a multiple of 12.**

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

**26. Simple probability**

**27. 3^3 x 4^3 = ?**

**28. 0! = ?**

**29. Number added or deleted**

**30. Gross**

**31. Multiplication principle**

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

**33. Trial Problems: look at the probability of NOT OCCURRING**

**34. Sum of consecutive numbers**

**35. Price purchased for by wholesaler**

**36. Odd Factors**

**37. Average Rate: Average speed**

**38. Properties of 0**

**39. To determine the number of integers less than 5000 that are evenly divisible by 15...?**

**40. Net**

**41. Sq. rt(3)**

**42. Price sold for by retailer (after markup)**

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

**44. 3rd Rule of Probability: Conditional Probability**

**45. Formula for area of a Trapezoid**

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

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

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

**49. 30-60-90 triangle basic lengths of sides**

**50. Gross Profit formula**